Commit | Line | Data |
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252b5132 | 1 | /* stabs.c -- Parse stabs debugging information |
6de15b9e | 2 | Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 |
8855cbca | 3 | Free Software Foundation, Inc. |
252b5132 RH |
4 | Written by Ian Lance Taylor <ian@cygnus.com>. |
5 | ||
6 | This file is part of GNU Binutils. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
21 | 02111-1307, USA. */ | |
22 | ||
23 | /* This file contains code which parses stabs debugging information. | |
24 | The organization of this code is based on the gdb stabs reading | |
25 | code. The job it does is somewhat different, because it is not | |
26 | trying to identify the correct address for anything. */ | |
27 | ||
28 | #include <stdio.h> | |
252b5132 RH |
29 | |
30 | #include "bfd.h" | |
31 | #include "bucomm.h" | |
32 | #include "libiberty.h" | |
3882b010 | 33 | #include "safe-ctype.h" |
252b5132 RH |
34 | #include "demangle.h" |
35 | #include "debug.h" | |
36 | #include "budbg.h" | |
8855cbca | 37 | #include "filenames.h" |
252b5132 RH |
38 | #include "aout/aout64.h" |
39 | #include "aout/stab_gnu.h" | |
40 | ||
252b5132 RH |
41 | /* The number of predefined XCOFF types. */ |
42 | ||
43 | #define XCOFF_TYPE_COUNT 34 | |
44 | ||
45 | /* This structure is used as a handle so that the stab parsing doesn't | |
46 | need to use any static variables. */ | |
47 | ||
48 | struct stab_handle | |
49 | { | |
50 | /* The BFD. */ | |
51 | bfd *abfd; | |
b34976b6 AM |
52 | /* TRUE if this is stabs in sections. */ |
53 | bfd_boolean sections; | |
252b5132 RH |
54 | /* The symbol table. */ |
55 | asymbol **syms; | |
56 | /* The number of symbols. */ | |
57 | long symcount; | |
58 | /* The accumulated file name string. */ | |
59 | char *so_string; | |
60 | /* The value of the last N_SO symbol. */ | |
61 | bfd_vma so_value; | |
62 | /* The value of the start of the file, so that we can handle file | |
63 | relative N_LBRAC and N_RBRAC symbols. */ | |
64 | bfd_vma file_start_offset; | |
65 | /* The offset of the start of the function, so that we can handle | |
66 | function relative N_LBRAC and N_RBRAC symbols. */ | |
67 | bfd_vma function_start_offset; | |
68 | /* The version number of gcc which compiled the current compilation | |
69 | unit, 0 if not compiled by gcc. */ | |
70 | int gcc_compiled; | |
71 | /* Whether an N_OPT symbol was seen that was not generated by gcc, | |
72 | so that we can detect the SunPRO compiler. */ | |
b34976b6 | 73 | bfd_boolean n_opt_found; |
252b5132 RH |
74 | /* The main file name. */ |
75 | char *main_filename; | |
76 | /* A stack of unfinished N_BINCL files. */ | |
77 | struct bincl_file *bincl_stack; | |
78 | /* A list of finished N_BINCL files. */ | |
79 | struct bincl_file *bincl_list; | |
80 | /* Whether we are inside a function or not. */ | |
b34976b6 | 81 | bfd_boolean within_function; |
252b5132 RH |
82 | /* The address of the end of the function, used if we have seen an |
83 | N_FUN symbol while in a function. This is -1 if we have not seen | |
84 | an N_FUN (the normal case). */ | |
85 | bfd_vma function_end; | |
86 | /* The depth of block nesting. */ | |
87 | int block_depth; | |
88 | /* List of pending variable definitions. */ | |
89 | struct stab_pending_var *pending; | |
90 | /* Number of files for which we have types. */ | |
91 | unsigned int files; | |
92 | /* Lists of types per file. */ | |
93 | struct stab_types **file_types; | |
94 | /* Predefined XCOFF types. */ | |
95 | debug_type xcoff_types[XCOFF_TYPE_COUNT]; | |
96 | /* Undefined tags. */ | |
97 | struct stab_tag *tags; | |
98 | /* Set by parse_stab_type if it sees a structure defined as a cross | |
99 | reference to itself. Reset by parse_stab_type otherwise. */ | |
b34976b6 | 100 | bfd_boolean self_crossref; |
252b5132 RH |
101 | }; |
102 | ||
103 | /* A list of these structures is used to hold pending variable | |
104 | definitions seen before the N_LBRAC of a block. */ | |
105 | ||
106 | struct stab_pending_var | |
107 | { | |
108 | /* Next pending variable definition. */ | |
109 | struct stab_pending_var *next; | |
110 | /* Name. */ | |
111 | const char *name; | |
112 | /* Type. */ | |
113 | debug_type type; | |
114 | /* Kind. */ | |
115 | enum debug_var_kind kind; | |
116 | /* Value. */ | |
117 | bfd_vma val; | |
118 | }; | |
119 | ||
120 | /* A list of these structures is used to hold the types for a single | |
121 | file. */ | |
122 | ||
123 | struct stab_types | |
124 | { | |
125 | /* Next set of slots for this file. */ | |
126 | struct stab_types *next; | |
127 | /* Types indexed by type number. */ | |
128 | #define STAB_TYPES_SLOTS (16) | |
129 | debug_type types[STAB_TYPES_SLOTS]; | |
130 | }; | |
131 | ||
132 | /* We keep a list of undefined tags that we encounter, so that we can | |
133 | fill them in if the tag is later defined. */ | |
134 | ||
135 | struct stab_tag | |
136 | { | |
137 | /* Next undefined tag. */ | |
138 | struct stab_tag *next; | |
139 | /* Tag name. */ | |
140 | const char *name; | |
141 | /* Type kind. */ | |
142 | enum debug_type_kind kind; | |
143 | /* Slot to hold real type when we discover it. If we don't, we fill | |
144 | in an undefined tag type. */ | |
145 | debug_type slot; | |
146 | /* Indirect type we have created to point at slot. */ | |
147 | debug_type type; | |
148 | }; | |
149 | ||
2da42df6 AJ |
150 | static char *savestring (const char *, int); |
151 | static bfd_vma parse_number (const char **, bfd_boolean *); | |
152 | static void bad_stab (const char *); | |
153 | static void warn_stab (const char *, const char *); | |
b34976b6 | 154 | static bfd_boolean parse_stab_string |
2da42df6 | 155 | (void *, struct stab_handle *, int, int, bfd_vma, const char *); |
252b5132 | 156 | static debug_type parse_stab_type |
2da42df6 AJ |
157 | (void *, struct stab_handle *, const char *, const char **, debug_type **); |
158 | static bfd_boolean parse_stab_type_number (const char **, int *); | |
252b5132 | 159 | static debug_type parse_stab_range_type |
2da42df6 AJ |
160 | (void *, struct stab_handle *, const char *, const char **, const int *); |
161 | static debug_type parse_stab_sun_builtin_type (void *, const char **); | |
162 | static debug_type parse_stab_sun_floating_type (void *, const char **); | |
163 | static debug_type parse_stab_enum_type (void *, const char **); | |
252b5132 | 164 | static debug_type parse_stab_struct_type |
2da42df6 AJ |
165 | (void *, struct stab_handle *, const char *, const char **, |
166 | bfd_boolean, const int *); | |
b34976b6 | 167 | static bfd_boolean parse_stab_baseclasses |
2da42df6 | 168 | (void *, struct stab_handle *, const char **, debug_baseclass **); |
b34976b6 | 169 | static bfd_boolean parse_stab_struct_fields |
2da42df6 | 170 | (void *, struct stab_handle *, const char **, debug_field **, bfd_boolean *); |
b34976b6 | 171 | static bfd_boolean parse_stab_cpp_abbrev |
2da42df6 | 172 | (void *, struct stab_handle *, const char **, debug_field *); |
b34976b6 | 173 | static bfd_boolean parse_stab_one_struct_field |
2da42df6 AJ |
174 | (void *, struct stab_handle *, const char **, const char *, |
175 | debug_field *, bfd_boolean *); | |
b34976b6 | 176 | static bfd_boolean parse_stab_members |
2da42df6 AJ |
177 | (void *, struct stab_handle *, const char *, const char **, const int *, |
178 | debug_method **); | |
252b5132 | 179 | static debug_type parse_stab_argtypes |
2da42df6 AJ |
180 | (void *, struct stab_handle *, debug_type, const char *, const char *, |
181 | debug_type, const char *, bfd_boolean, bfd_boolean, const char **); | |
b34976b6 | 182 | static bfd_boolean parse_stab_tilde_field |
2da42df6 AJ |
183 | (void *, struct stab_handle *, const char **, const int *, debug_type *, |
184 | bfd_boolean *); | |
252b5132 | 185 | static debug_type parse_stab_array_type |
2da42df6 AJ |
186 | (void *, struct stab_handle *, const char **, bfd_boolean); |
187 | static void push_bincl (struct stab_handle *, const char *, bfd_vma); | |
188 | static const char *pop_bincl (struct stab_handle *); | |
189 | static bfd_boolean find_excl (struct stab_handle *, const char *, bfd_vma); | |
b34976b6 | 190 | static bfd_boolean stab_record_variable |
2da42df6 AJ |
191 | (void *, struct stab_handle *, const char *, debug_type, |
192 | enum debug_var_kind, bfd_vma); | |
193 | static bfd_boolean stab_emit_pending_vars (void *, struct stab_handle *); | |
194 | static debug_type *stab_find_slot (struct stab_handle *, const int *); | |
195 | static debug_type stab_find_type (void *, struct stab_handle *, const int *); | |
b34976b6 | 196 | static bfd_boolean stab_record_type |
2da42df6 | 197 | (void *, struct stab_handle *, const int *, debug_type); |
252b5132 | 198 | static debug_type stab_xcoff_builtin_type |
2da42df6 | 199 | (void *, struct stab_handle *, int); |
252b5132 | 200 | static debug_type stab_find_tagged_type |
2da42df6 | 201 | (void *, struct stab_handle *, const char *, int, enum debug_type_kind); |
252b5132 | 202 | static debug_type *stab_demangle_argtypes |
2da42df6 | 203 | (void *, struct stab_handle *, const char *, bfd_boolean *, unsigned int); |
252b5132 RH |
204 | |
205 | /* Save a string in memory. */ | |
206 | ||
207 | static char * | |
2da42df6 | 208 | savestring (const char *start, int len) |
252b5132 RH |
209 | { |
210 | char *ret; | |
211 | ||
212 | ret = (char *) xmalloc (len + 1); | |
213 | memcpy (ret, start, len); | |
214 | ret[len] = '\0'; | |
215 | return ret; | |
216 | } | |
217 | ||
218 | /* Read a number from a string. */ | |
219 | ||
220 | static bfd_vma | |
2da42df6 | 221 | parse_number (const char **pp, bfd_boolean *poverflow) |
252b5132 RH |
222 | { |
223 | unsigned long ul; | |
224 | const char *orig; | |
225 | ||
226 | if (poverflow != NULL) | |
b34976b6 | 227 | *poverflow = FALSE; |
252b5132 RH |
228 | |
229 | orig = *pp; | |
230 | ||
231 | errno = 0; | |
232 | ul = strtoul (*pp, (char **) pp, 0); | |
233 | if (ul + 1 != 0 || errno == 0) | |
234 | { | |
235 | /* If bfd_vma is larger than unsigned long, and the number is | |
236 | meant to be negative, we have to make sure that we sign | |
237 | extend properly. */ | |
238 | if (*orig == '-') | |
239 | return (bfd_vma) (bfd_signed_vma) (long) ul; | |
240 | return (bfd_vma) ul; | |
241 | } | |
242 | ||
243 | /* Note that even though strtoul overflowed, it should have set *pp | |
244 | to the end of the number, which is where we want it. */ | |
252b5132 RH |
245 | if (sizeof (bfd_vma) > sizeof (unsigned long)) |
246 | { | |
247 | const char *p; | |
b34976b6 | 248 | bfd_boolean neg; |
252b5132 RH |
249 | int base; |
250 | bfd_vma over, lastdig; | |
b34976b6 | 251 | bfd_boolean overflow; |
252b5132 RH |
252 | bfd_vma v; |
253 | ||
254 | /* Our own version of strtoul, for a bfd_vma. */ | |
252b5132 RH |
255 | p = orig; |
256 | ||
b34976b6 | 257 | neg = FALSE; |
252b5132 RH |
258 | if (*p == '+') |
259 | ++p; | |
260 | else if (*p == '-') | |
261 | { | |
b34976b6 | 262 | neg = TRUE; |
252b5132 RH |
263 | ++p; |
264 | } | |
265 | ||
266 | base = 10; | |
267 | if (*p == '0') | |
268 | { | |
269 | if (p[1] == 'x' || p[1] == 'X') | |
270 | { | |
271 | base = 16; | |
272 | p += 2; | |
273 | } | |
274 | else | |
275 | { | |
276 | base = 8; | |
277 | ++p; | |
278 | } | |
279 | } | |
280 | ||
281 | over = ((bfd_vma) (bfd_signed_vma) -1) / (bfd_vma) base; | |
282 | lastdig = ((bfd_vma) (bfd_signed_vma) -1) % (bfd_vma) base; | |
283 | ||
b34976b6 | 284 | overflow = FALSE; |
252b5132 RH |
285 | v = 0; |
286 | while (1) | |
287 | { | |
288 | int d; | |
289 | ||
290 | d = *p++; | |
3882b010 | 291 | if (ISDIGIT (d)) |
252b5132 | 292 | d -= '0'; |
3882b010 | 293 | else if (ISUPPER (d)) |
252b5132 | 294 | d -= 'A'; |
3882b010 | 295 | else if (ISLOWER (d)) |
252b5132 RH |
296 | d -= 'a'; |
297 | else | |
298 | break; | |
299 | ||
300 | if (d >= base) | |
301 | break; | |
302 | ||
303 | if (v > over || (v == over && (bfd_vma) d > lastdig)) | |
304 | { | |
b34976b6 | 305 | overflow = TRUE; |
252b5132 RH |
306 | break; |
307 | } | |
308 | } | |
309 | ||
310 | if (! overflow) | |
311 | { | |
312 | if (neg) | |
313 | v = - v; | |
314 | return v; | |
315 | } | |
316 | } | |
317 | ||
318 | /* If we get here, the number is too large to represent in a | |
319 | bfd_vma. */ | |
252b5132 | 320 | if (poverflow != NULL) |
b34976b6 | 321 | *poverflow = TRUE; |
252b5132 RH |
322 | else |
323 | warn_stab (orig, _("numeric overflow")); | |
324 | ||
325 | return 0; | |
326 | } | |
327 | ||
328 | /* Give an error for a bad stab string. */ | |
329 | ||
330 | static void | |
2da42df6 | 331 | bad_stab (const char *p) |
252b5132 RH |
332 | { |
333 | fprintf (stderr, _("Bad stab: %s\n"), p); | |
334 | } | |
335 | ||
336 | /* Warn about something in a stab string. */ | |
337 | ||
338 | static void | |
2da42df6 | 339 | warn_stab (const char *p, const char *err) |
252b5132 RH |
340 | { |
341 | fprintf (stderr, _("Warning: %s: %s\n"), err, p); | |
342 | } | |
343 | ||
344 | /* Create a handle to parse stabs symbols with. */ | |
345 | ||
2da42df6 AJ |
346 | void * |
347 | start_stab (void *dhandle ATTRIBUTE_UNUSED, bfd *abfd, bfd_boolean sections, | |
348 | asymbol **syms, long symcount) | |
252b5132 RH |
349 | { |
350 | struct stab_handle *ret; | |
351 | ||
352 | ret = (struct stab_handle *) xmalloc (sizeof *ret); | |
353 | memset (ret, 0, sizeof *ret); | |
354 | ret->abfd = abfd; | |
355 | ret->sections = sections; | |
356 | ret->syms = syms; | |
357 | ret->symcount = symcount; | |
358 | ret->files = 1; | |
359 | ret->file_types = (struct stab_types **) xmalloc (sizeof *ret->file_types); | |
360 | ret->file_types[0] = NULL; | |
361 | ret->function_end = (bfd_vma) -1; | |
2da42df6 | 362 | return (void *) ret; |
252b5132 RH |
363 | } |
364 | ||
365 | /* When we have processed all the stabs information, we need to go | |
366 | through and fill in all the undefined tags. */ | |
367 | ||
b34976b6 | 368 | bfd_boolean |
2da42df6 | 369 | finish_stab (void *dhandle, void *handle) |
252b5132 RH |
370 | { |
371 | struct stab_handle *info = (struct stab_handle *) handle; | |
372 | struct stab_tag *st; | |
373 | ||
374 | if (info->within_function) | |
375 | { | |
376 | if (! stab_emit_pending_vars (dhandle, info) | |
377 | || ! debug_end_function (dhandle, info->function_end)) | |
b34976b6 AM |
378 | return FALSE; |
379 | info->within_function = FALSE; | |
252b5132 RH |
380 | info->function_end = (bfd_vma) -1; |
381 | } | |
382 | ||
383 | for (st = info->tags; st != NULL; st = st->next) | |
384 | { | |
385 | enum debug_type_kind kind; | |
386 | ||
387 | kind = st->kind; | |
388 | if (kind == DEBUG_KIND_ILLEGAL) | |
389 | kind = DEBUG_KIND_STRUCT; | |
390 | st->slot = debug_make_undefined_tagged_type (dhandle, st->name, kind); | |
391 | if (st->slot == DEBUG_TYPE_NULL) | |
b34976b6 | 392 | return FALSE; |
252b5132 RH |
393 | } |
394 | ||
b34976b6 | 395 | return TRUE; |
252b5132 RH |
396 | } |
397 | ||
398 | /* Handle a single stabs symbol. */ | |
399 | ||
b34976b6 | 400 | bfd_boolean |
2da42df6 AJ |
401 | parse_stab (void *dhandle, void *handle, int type, int desc, bfd_vma value, |
402 | const char *string) | |
252b5132 RH |
403 | { |
404 | struct stab_handle *info = (struct stab_handle *) handle; | |
405 | ||
406 | /* gcc will emit two N_SO strings per compilation unit, one for the | |
407 | directory name and one for the file name. We just collect N_SO | |
408 | strings as we see them, and start the new compilation unit when | |
409 | we see a non N_SO symbol. */ | |
410 | if (info->so_string != NULL | |
411 | && (type != N_SO || *string == '\0' || value != info->so_value)) | |
412 | { | |
413 | if (! debug_set_filename (dhandle, info->so_string)) | |
b34976b6 | 414 | return FALSE; |
252b5132 RH |
415 | info->main_filename = info->so_string; |
416 | ||
417 | info->gcc_compiled = 0; | |
b34976b6 | 418 | info->n_opt_found = FALSE; |
252b5132 RH |
419 | |
420 | /* Generally, for stabs in the symbol table, the N_LBRAC and | |
421 | N_RBRAC symbols are relative to the N_SO symbol value. */ | |
422 | if (! info->sections) | |
423 | info->file_start_offset = info->so_value; | |
424 | ||
425 | /* We need to reset the mapping from type numbers to types. We | |
426 | can't free the old mapping, because of the use of | |
427 | debug_make_indirect_type. */ | |
428 | info->files = 1; | |
429 | info->file_types = ((struct stab_types **) | |
430 | xmalloc (sizeof *info->file_types)); | |
431 | info->file_types[0] = NULL; | |
432 | ||
433 | info->so_string = NULL; | |
434 | ||
435 | /* Now process whatever type we just got. */ | |
436 | } | |
437 | ||
438 | switch (type) | |
439 | { | |
440 | case N_FN: | |
441 | case N_FN_SEQ: | |
442 | break; | |
443 | ||
444 | case N_LBRAC: | |
445 | /* Ignore extra outermost context from SunPRO cc and acc. */ | |
446 | if (info->n_opt_found && desc == 1) | |
447 | break; | |
448 | ||
449 | if (! info->within_function) | |
450 | { | |
451 | fprintf (stderr, _("N_LBRAC not within function\n")); | |
b34976b6 | 452 | return FALSE; |
252b5132 RH |
453 | } |
454 | ||
455 | /* Start an inner lexical block. */ | |
456 | if (! debug_start_block (dhandle, | |
457 | (value | |
458 | + info->file_start_offset | |
459 | + info->function_start_offset))) | |
b34976b6 | 460 | return FALSE; |
252b5132 RH |
461 | |
462 | /* Emit any pending variable definitions. */ | |
463 | if (! stab_emit_pending_vars (dhandle, info)) | |
b34976b6 | 464 | return FALSE; |
252b5132 RH |
465 | |
466 | ++info->block_depth; | |
467 | break; | |
468 | ||
469 | case N_RBRAC: | |
470 | /* Ignore extra outermost context from SunPRO cc and acc. */ | |
471 | if (info->n_opt_found && desc == 1) | |
472 | break; | |
473 | ||
474 | /* We shouldn't have any pending variable definitions here, but, | |
475 | if we do, we probably need to emit them before closing the | |
476 | block. */ | |
477 | if (! stab_emit_pending_vars (dhandle, info)) | |
b34976b6 | 478 | return FALSE; |
252b5132 RH |
479 | |
480 | /* End an inner lexical block. */ | |
481 | if (! debug_end_block (dhandle, | |
482 | (value | |
483 | + info->file_start_offset | |
484 | + info->function_start_offset))) | |
b34976b6 | 485 | return FALSE; |
252b5132 RH |
486 | |
487 | --info->block_depth; | |
488 | if (info->block_depth < 0) | |
489 | { | |
490 | fprintf (stderr, _("Too many N_RBRACs\n")); | |
b34976b6 | 491 | return FALSE; |
252b5132 RH |
492 | } |
493 | break; | |
494 | ||
495 | case N_SO: | |
496 | /* This always ends a function. */ | |
497 | if (info->within_function) | |
498 | { | |
499 | bfd_vma endval; | |
500 | ||
501 | endval = value; | |
502 | if (*string != '\0' | |
503 | && info->function_end != (bfd_vma) -1 | |
504 | && info->function_end < endval) | |
505 | endval = info->function_end; | |
506 | if (! stab_emit_pending_vars (dhandle, info) | |
507 | || ! debug_end_function (dhandle, endval)) | |
b34976b6 AM |
508 | return FALSE; |
509 | info->within_function = FALSE; | |
252b5132 RH |
510 | info->function_end = (bfd_vma) -1; |
511 | } | |
512 | ||
513 | /* An empty string is emitted by gcc at the end of a compilation | |
514 | unit. */ | |
515 | if (*string == '\0') | |
b34976b6 | 516 | return TRUE; |
252b5132 RH |
517 | |
518 | /* Just accumulate strings until we see a non N_SO symbol. If | |
519 | the string starts with a directory separator or some other | |
520 | form of absolute path specification, we discard the previously | |
521 | accumulated strings. */ | |
522 | if (info->so_string == NULL) | |
523 | info->so_string = xstrdup (string); | |
524 | else | |
525 | { | |
526 | char *f; | |
527 | ||
528 | f = info->so_string; | |
529 | ||
9f66665a | 530 | if (IS_ABSOLUTE_PATH (string)) |
252b5132 RH |
531 | info->so_string = xstrdup (string); |
532 | else | |
533 | info->so_string = concat (info->so_string, string, | |
534 | (const char *) NULL); | |
535 | free (f); | |
536 | } | |
537 | ||
538 | info->so_value = value; | |
539 | ||
540 | break; | |
541 | ||
542 | case N_SOL: | |
543 | /* Start an include file. */ | |
544 | if (! debug_start_source (dhandle, string)) | |
b34976b6 | 545 | return FALSE; |
252b5132 RH |
546 | break; |
547 | ||
548 | case N_BINCL: | |
549 | /* Start an include file which may be replaced. */ | |
550 | push_bincl (info, string, value); | |
551 | if (! debug_start_source (dhandle, string)) | |
b34976b6 | 552 | return FALSE; |
252b5132 RH |
553 | break; |
554 | ||
555 | case N_EINCL: | |
556 | /* End an N_BINCL include. */ | |
557 | if (! debug_start_source (dhandle, pop_bincl (info))) | |
b34976b6 | 558 | return FALSE; |
252b5132 RH |
559 | break; |
560 | ||
561 | case N_EXCL: | |
562 | /* This is a duplicate of a header file named by N_BINCL which | |
563 | was eliminated by the linker. */ | |
564 | if (! find_excl (info, string, value)) | |
b34976b6 | 565 | return FALSE; |
252b5132 RH |
566 | break; |
567 | ||
568 | case N_SLINE: | |
569 | if (! debug_record_line (dhandle, desc, | |
6de15b9e NC |
570 | value + (info->within_function |
571 | ? info->function_start_offset : 0))) | |
b34976b6 | 572 | return FALSE; |
252b5132 RH |
573 | break; |
574 | ||
575 | case N_BCOMM: | |
576 | if (! debug_start_common_block (dhandle, string)) | |
b34976b6 | 577 | return FALSE; |
252b5132 RH |
578 | break; |
579 | ||
580 | case N_ECOMM: | |
581 | if (! debug_end_common_block (dhandle, string)) | |
b34976b6 | 582 | return FALSE; |
252b5132 RH |
583 | break; |
584 | ||
585 | case N_FUN: | |
586 | if (*string == '\0') | |
587 | { | |
588 | if (info->within_function) | |
589 | { | |
590 | /* This always marks the end of a function; we don't | |
591 | need to worry about info->function_end. */ | |
592 | if (info->sections) | |
593 | value += info->function_start_offset; | |
594 | if (! stab_emit_pending_vars (dhandle, info) | |
595 | || ! debug_end_function (dhandle, value)) | |
b34976b6 AM |
596 | return FALSE; |
597 | info->within_function = FALSE; | |
252b5132 RH |
598 | info->function_end = (bfd_vma) -1; |
599 | } | |
600 | break; | |
601 | } | |
602 | ||
603 | /* A const static symbol in the .text section will have an N_FUN | |
604 | entry. We need to use these to mark the end of the function, | |
605 | in case we are looking at gcc output before it was changed to | |
606 | always emit an empty N_FUN. We can't call debug_end_function | |
607 | here, because it might be a local static symbol. */ | |
608 | if (info->within_function | |
609 | && (info->function_end == (bfd_vma) -1 | |
610 | || value < info->function_end)) | |
611 | info->function_end = value; | |
612 | ||
613 | /* Fall through. */ | |
614 | /* FIXME: gdb checks the string for N_STSYM, N_LCSYM or N_ROSYM | |
615 | symbols, and if it does not start with :S, gdb relocates the | |
616 | value to the start of the section. gcc always seems to use | |
617 | :S, so we don't worry about this. */ | |
618 | /* Fall through. */ | |
619 | default: | |
620 | { | |
621 | const char *colon; | |
622 | ||
623 | colon = strchr (string, ':'); | |
624 | if (colon != NULL | |
625 | && (colon[1] == 'f' || colon[1] == 'F')) | |
626 | { | |
627 | if (info->within_function) | |
628 | { | |
629 | bfd_vma endval; | |
630 | ||
631 | endval = value; | |
632 | if (info->function_end != (bfd_vma) -1 | |
633 | && info->function_end < endval) | |
634 | endval = info->function_end; | |
635 | if (! stab_emit_pending_vars (dhandle, info) | |
636 | || ! debug_end_function (dhandle, endval)) | |
b34976b6 | 637 | return FALSE; |
252b5132 RH |
638 | info->function_end = (bfd_vma) -1; |
639 | } | |
640 | /* For stabs in sections, line numbers and block addresses | |
641 | are offsets from the start of the function. */ | |
642 | if (info->sections) | |
643 | info->function_start_offset = value; | |
b34976b6 | 644 | info->within_function = TRUE; |
252b5132 RH |
645 | } |
646 | ||
647 | if (! parse_stab_string (dhandle, info, type, desc, value, string)) | |
b34976b6 | 648 | return FALSE; |
252b5132 RH |
649 | } |
650 | break; | |
651 | ||
652 | case N_OPT: | |
653 | if (string != NULL && strcmp (string, "gcc2_compiled.") == 0) | |
654 | info->gcc_compiled = 2; | |
655 | else if (string != NULL && strcmp (string, "gcc_compiled.") == 0) | |
656 | info->gcc_compiled = 1; | |
657 | else | |
b34976b6 | 658 | info->n_opt_found = TRUE; |
252b5132 RH |
659 | break; |
660 | ||
661 | case N_OBJ: | |
662 | case N_ENDM: | |
663 | case N_MAIN: | |
8855cbca | 664 | case N_WARNING: |
252b5132 RH |
665 | break; |
666 | } | |
667 | ||
b34976b6 | 668 | return TRUE; |
252b5132 RH |
669 | } |
670 | ||
671 | /* Parse the stabs string. */ | |
672 | ||
b34976b6 | 673 | static bfd_boolean |
2da42df6 AJ |
674 | parse_stab_string (void *dhandle, struct stab_handle *info, int stabtype, |
675 | int desc, bfd_vma value, const char *string) | |
252b5132 RH |
676 | { |
677 | const char *p; | |
678 | char *name; | |
679 | int type; | |
680 | debug_type dtype; | |
b34976b6 AM |
681 | bfd_boolean synonym; |
682 | bfd_boolean self_crossref; | |
252b5132 RH |
683 | unsigned int lineno; |
684 | debug_type *slot; | |
685 | ||
686 | p = strchr (string, ':'); | |
687 | if (p == NULL) | |
b34976b6 | 688 | return TRUE; |
252b5132 RH |
689 | |
690 | while (p[1] == ':') | |
691 | { | |
692 | p += 2; | |
693 | p = strchr (p, ':'); | |
694 | if (p == NULL) | |
695 | { | |
696 | bad_stab (string); | |
b34976b6 | 697 | return FALSE; |
252b5132 RH |
698 | } |
699 | } | |
700 | ||
701 | /* GCC 2.x puts the line number in desc. SunOS apparently puts in | |
702 | the number of bytes occupied by a type or object, which we | |
703 | ignore. */ | |
704 | if (info->gcc_compiled >= 2) | |
705 | lineno = desc; | |
706 | else | |
707 | lineno = 0; | |
708 | ||
709 | /* FIXME: Sometimes the special C++ names start with '.'. */ | |
710 | name = NULL; | |
711 | if (string[0] == '$') | |
712 | { | |
713 | switch (string[1]) | |
714 | { | |
715 | case 't': | |
716 | name = "this"; | |
717 | break; | |
718 | case 'v': | |
719 | /* Was: name = "vptr"; */ | |
720 | break; | |
721 | case 'e': | |
722 | name = "eh_throw"; | |
723 | break; | |
724 | case '_': | |
725 | /* This was an anonymous type that was never fixed up. */ | |
726 | break; | |
727 | case 'X': | |
728 | /* SunPRO (3.0 at least) static variable encoding. */ | |
729 | break; | |
730 | default: | |
731 | warn_stab (string, _("unknown C++ encoded name")); | |
732 | break; | |
733 | } | |
734 | } | |
735 | ||
736 | if (name == NULL) | |
737 | { | |
738 | if (p == string || (string[0] == ' ' && p == string + 1)) | |
739 | name = NULL; | |
740 | else | |
741 | name = savestring (string, p - string); | |
742 | } | |
743 | ||
744 | ++p; | |
3882b010 | 745 | if (ISDIGIT (*p) || *p == '(' || *p == '-') |
252b5132 RH |
746 | type = 'l'; |
747 | else | |
748 | type = *p++; | |
749 | ||
750 | switch (type) | |
751 | { | |
752 | case 'c': | |
753 | /* c is a special case, not followed by a type-number. | |
754 | SYMBOL:c=iVALUE for an integer constant symbol. | |
755 | SYMBOL:c=rVALUE for a floating constant symbol. | |
756 | SYMBOL:c=eTYPE,INTVALUE for an enum constant symbol. | |
757 | e.g. "b:c=e6,0" for "const b = blob1" | |
758 | (where type 6 is defined by "blobs:t6=eblob1:0,blob2:1,;"). */ | |
759 | if (*p != '=') | |
760 | { | |
761 | bad_stab (string); | |
b34976b6 | 762 | return FALSE; |
252b5132 RH |
763 | } |
764 | ++p; | |
765 | switch (*p++) | |
766 | { | |
767 | case 'r': | |
768 | /* Floating point constant. */ | |
769 | if (! debug_record_float_const (dhandle, name, atof (p))) | |
b34976b6 | 770 | return FALSE; |
252b5132 RH |
771 | break; |
772 | case 'i': | |
773 | /* Integer constant. */ | |
774 | /* Defining integer constants this way is kind of silly, | |
775 | since 'e' constants allows the compiler to give not only | |
776 | the value, but the type as well. C has at least int, | |
777 | long, unsigned int, and long long as constant types; | |
778 | other languages probably should have at least unsigned as | |
779 | well as signed constants. */ | |
780 | if (! debug_record_int_const (dhandle, name, atoi (p))) | |
b34976b6 | 781 | return FALSE; |
252b5132 RH |
782 | break; |
783 | case 'e': | |
784 | /* SYMBOL:c=eTYPE,INTVALUE for a constant symbol whose value | |
785 | can be represented as integral. | |
786 | e.g. "b:c=e6,0" for "const b = blob1" | |
787 | (where type 6 is defined by "blobs:t6=eblob1:0,blob2:1,;"). */ | |
788 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, | |
789 | &p, (debug_type **) NULL); | |
790 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 791 | return FALSE; |
252b5132 RH |
792 | if (*p != ',') |
793 | { | |
794 | bad_stab (string); | |
b34976b6 | 795 | return FALSE; |
252b5132 RH |
796 | } |
797 | if (! debug_record_typed_const (dhandle, name, dtype, atoi (p))) | |
b34976b6 | 798 | return FALSE; |
252b5132 RH |
799 | break; |
800 | default: | |
801 | bad_stab (string); | |
b34976b6 | 802 | return FALSE; |
252b5132 RH |
803 | } |
804 | ||
805 | break; | |
806 | ||
807 | case 'C': | |
808 | /* The name of a caught exception. */ | |
809 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, | |
810 | &p, (debug_type **) NULL); | |
811 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 812 | return FALSE; |
252b5132 | 813 | if (! debug_record_label (dhandle, name, dtype, value)) |
b34976b6 | 814 | return FALSE; |
252b5132 RH |
815 | break; |
816 | ||
817 | case 'f': | |
818 | case 'F': | |
819 | /* A function definition. */ | |
820 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
821 | (debug_type **) NULL); | |
822 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 823 | return FALSE; |
252b5132 | 824 | if (! debug_record_function (dhandle, name, dtype, type == 'F', value)) |
b34976b6 | 825 | return FALSE; |
252b5132 RH |
826 | |
827 | /* Sun acc puts declared types of arguments here. We don't care | |
828 | about their actual types (FIXME -- we should remember the whole | |
829 | function prototype), but the list may define some new types | |
830 | that we have to remember, so we must scan it now. */ | |
831 | while (*p == ';') | |
832 | { | |
833 | ++p; | |
834 | if (parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
835 | (debug_type **) NULL) | |
836 | == DEBUG_TYPE_NULL) | |
b34976b6 | 837 | return FALSE; |
252b5132 RH |
838 | } |
839 | ||
840 | break; | |
841 | ||
842 | case 'G': | |
843 | { | |
844 | char leading; | |
845 | long c; | |
846 | asymbol **ps; | |
847 | ||
848 | /* A global symbol. The value must be extracted from the | |
849 | symbol table. */ | |
850 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
851 | (debug_type **) NULL); | |
852 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 853 | return FALSE; |
252b5132 RH |
854 | leading = bfd_get_symbol_leading_char (info->abfd); |
855 | for (c = info->symcount, ps = info->syms; c > 0; --c, ++ps) | |
856 | { | |
857 | const char *n; | |
858 | ||
859 | n = bfd_asymbol_name (*ps); | |
860 | if (leading != '\0' && *n == leading) | |
861 | ++n; | |
862 | if (*n == *name && strcmp (n, name) == 0) | |
863 | break; | |
864 | } | |
865 | if (c > 0) | |
866 | value = bfd_asymbol_value (*ps); | |
867 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_GLOBAL, | |
868 | value)) | |
b34976b6 | 869 | return FALSE; |
252b5132 RH |
870 | } |
871 | break; | |
872 | ||
873 | /* This case is faked by a conditional above, when there is no | |
874 | code letter in the dbx data. Dbx data never actually | |
875 | contains 'l'. */ | |
876 | case 'l': | |
877 | case 's': | |
878 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
879 | (debug_type **) NULL); | |
880 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 881 | return FALSE; |
252b5132 RH |
882 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_LOCAL, |
883 | value)) | |
b34976b6 | 884 | return FALSE; |
252b5132 RH |
885 | break; |
886 | ||
887 | case 'p': | |
888 | /* A function parameter. */ | |
889 | if (*p != 'F') | |
890 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
891 | (debug_type **) NULL); | |
892 | else | |
893 | { | |
894 | /* pF is a two-letter code that means a function parameter in | |
895 | Fortran. The type-number specifies the type of the return | |
896 | value. Translate it into a pointer-to-function type. */ | |
897 | ++p; | |
898 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
899 | (debug_type **) NULL); | |
900 | if (dtype != DEBUG_TYPE_NULL) | |
901 | { | |
902 | debug_type ftype; | |
903 | ||
904 | ftype = debug_make_function_type (dhandle, dtype, | |
b34976b6 | 905 | (debug_type *) NULL, FALSE); |
252b5132 RH |
906 | dtype = debug_make_pointer_type (dhandle, ftype); |
907 | } | |
908 | } | |
909 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 910 | return FALSE; |
252b5132 RH |
911 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_STACK, |
912 | value)) | |
b34976b6 | 913 | return FALSE; |
252b5132 RH |
914 | |
915 | /* FIXME: At this point gdb considers rearranging the parameter | |
916 | address on a big endian machine if it is smaller than an int. | |
917 | We have no way to do that, since we don't really know much | |
918 | about the target. */ | |
252b5132 RH |
919 | break; |
920 | ||
921 | case 'P': | |
922 | if (stabtype == N_FUN) | |
923 | { | |
924 | /* Prototype of a function referenced by this file. */ | |
925 | while (*p == ';') | |
926 | { | |
927 | ++p; | |
928 | if (parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
929 | (debug_type **) NULL) | |
930 | == DEBUG_TYPE_NULL) | |
b34976b6 | 931 | return FALSE; |
252b5132 RH |
932 | } |
933 | break; | |
934 | } | |
935 | /* Fall through. */ | |
936 | case 'R': | |
937 | /* Parameter which is in a register. */ | |
938 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
939 | (debug_type **) NULL); | |
940 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 941 | return FALSE; |
252b5132 RH |
942 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_REG, |
943 | value)) | |
b34976b6 | 944 | return FALSE; |
252b5132 RH |
945 | break; |
946 | ||
947 | case 'r': | |
948 | /* Register variable (either global or local). */ | |
949 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
950 | (debug_type **) NULL); | |
951 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 952 | return FALSE; |
252b5132 RH |
953 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_REGISTER, |
954 | value)) | |
b34976b6 | 955 | return FALSE; |
252b5132 RH |
956 | |
957 | /* FIXME: At this point gdb checks to combine pairs of 'p' and | |
958 | 'r' stabs into a single 'P' stab. */ | |
252b5132 RH |
959 | break; |
960 | ||
961 | case 'S': | |
7eb5191a | 962 | /* Static symbol at top level of file. */ |
252b5132 RH |
963 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, |
964 | (debug_type **) NULL); | |
965 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 966 | return FALSE; |
252b5132 RH |
967 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_STATIC, |
968 | value)) | |
b34976b6 | 969 | return FALSE; |
252b5132 RH |
970 | break; |
971 | ||
972 | case 't': | |
973 | /* A typedef. */ | |
974 | dtype = parse_stab_type (dhandle, info, name, &p, &slot); | |
975 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 976 | return FALSE; |
252b5132 RH |
977 | if (name == NULL) |
978 | { | |
979 | /* A nameless type. Nothing to do. */ | |
b34976b6 | 980 | return TRUE; |
252b5132 RH |
981 | } |
982 | ||
983 | dtype = debug_name_type (dhandle, name, dtype); | |
984 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 985 | return FALSE; |
252b5132 RH |
986 | |
987 | if (slot != NULL) | |
988 | *slot = dtype; | |
989 | ||
990 | break; | |
991 | ||
992 | case 'T': | |
993 | /* Struct, union, or enum tag. For GNU C++, this can be be followed | |
994 | by 't' which means we are typedef'ing it as well. */ | |
995 | if (*p != 't') | |
996 | { | |
b34976b6 AM |
997 | synonym = FALSE; |
998 | /* FIXME: gdb sets synonym to TRUE if the current language | |
252b5132 RH |
999 | is C++. */ |
1000 | } | |
1001 | else | |
1002 | { | |
b34976b6 | 1003 | synonym = TRUE; |
252b5132 RH |
1004 | ++p; |
1005 | } | |
1006 | ||
1007 | dtype = parse_stab_type (dhandle, info, name, &p, &slot); | |
1008 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1009 | return FALSE; |
252b5132 | 1010 | if (name == NULL) |
b34976b6 | 1011 | return TRUE; |
252b5132 RH |
1012 | |
1013 | /* INFO->SELF_CROSSREF is set by parse_stab_type if this type is | |
1014 | a cross reference to itself. These are generated by some | |
1015 | versions of g++. */ | |
1016 | self_crossref = info->self_crossref; | |
1017 | ||
1018 | dtype = debug_tag_type (dhandle, name, dtype); | |
1019 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1020 | return FALSE; |
252b5132 RH |
1021 | if (slot != NULL) |
1022 | *slot = dtype; | |
1023 | ||
1024 | /* See if we have a cross reference to this tag which we can now | |
1025 | fill in. Avoid filling in a cross reference to ourselves, | |
1026 | because that would lead to circular debugging information. */ | |
1027 | if (! self_crossref) | |
1028 | { | |
1029 | register struct stab_tag **pst; | |
1030 | ||
1031 | for (pst = &info->tags; *pst != NULL; pst = &(*pst)->next) | |
1032 | { | |
1033 | if ((*pst)->name[0] == name[0] | |
1034 | && strcmp ((*pst)->name, name) == 0) | |
1035 | { | |
1036 | (*pst)->slot = dtype; | |
1037 | *pst = (*pst)->next; | |
1038 | break; | |
1039 | } | |
1040 | } | |
1041 | } | |
1042 | ||
1043 | if (synonym) | |
1044 | { | |
1045 | dtype = debug_name_type (dhandle, name, dtype); | |
1046 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1047 | return FALSE; |
252b5132 RH |
1048 | |
1049 | if (slot != NULL) | |
1050 | *slot = dtype; | |
1051 | } | |
1052 | ||
1053 | break; | |
1054 | ||
1055 | case 'V': | |
1056 | /* Static symbol of local scope */ | |
1057 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
1058 | (debug_type **) NULL); | |
1059 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1060 | return FALSE; |
252b5132 RH |
1061 | /* FIXME: gdb checks os9k_stabs here. */ |
1062 | if (! stab_record_variable (dhandle, info, name, dtype, | |
1063 | DEBUG_LOCAL_STATIC, value)) | |
b34976b6 | 1064 | return FALSE; |
252b5132 RH |
1065 | break; |
1066 | ||
1067 | case 'v': | |
1068 | /* Reference parameter. */ | |
1069 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
1070 | (debug_type **) NULL); | |
1071 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1072 | return FALSE; |
252b5132 RH |
1073 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_REFERENCE, |
1074 | value)) | |
b34976b6 | 1075 | return FALSE; |
252b5132 RH |
1076 | break; |
1077 | ||
1078 | case 'a': | |
1079 | /* Reference parameter which is in a register. */ | |
1080 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
1081 | (debug_type **) NULL); | |
1082 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1083 | return FALSE; |
252b5132 RH |
1084 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_REF_REG, |
1085 | value)) | |
b34976b6 | 1086 | return FALSE; |
252b5132 RH |
1087 | break; |
1088 | ||
1089 | case 'X': | |
1090 | /* This is used by Sun FORTRAN for "function result value". | |
1091 | Sun claims ("dbx and dbxtool interfaces", 2nd ed) | |
1092 | that Pascal uses it too, but when I tried it Pascal used | |
1093 | "x:3" (local symbol) instead. */ | |
1094 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
1095 | (debug_type **) NULL); | |
1096 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1097 | return FALSE; |
252b5132 RH |
1098 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_LOCAL, |
1099 | value)) | |
b34976b6 | 1100 | return FALSE; |
252b5132 RH |
1101 | break; |
1102 | ||
1103 | default: | |
1104 | bad_stab (string); | |
b34976b6 | 1105 | return FALSE; |
252b5132 RH |
1106 | } |
1107 | ||
1108 | /* FIXME: gdb converts structure values to structure pointers in a | |
1109 | couple of cases, depending upon the target. */ | |
1110 | ||
b34976b6 | 1111 | return TRUE; |
252b5132 RH |
1112 | } |
1113 | ||
1114 | /* Parse a stabs type. The typename argument is non-NULL if this is a | |
1115 | typedef or a tag definition. The pp argument points to the stab | |
1116 | string, and is updated. The slotp argument points to a place to | |
1117 | store the slot used if the type is being defined. */ | |
1118 | ||
1119 | static debug_type | |
2da42df6 | 1120 | parse_stab_type (void *dhandle, struct stab_handle *info, const char *typename, const char **pp, debug_type **slotp) |
252b5132 RH |
1121 | { |
1122 | const char *orig; | |
1123 | int typenums[2]; | |
1124 | int size; | |
b34976b6 | 1125 | bfd_boolean stringp; |
252b5132 RH |
1126 | int descriptor; |
1127 | debug_type dtype; | |
1128 | ||
1129 | if (slotp != NULL) | |
1130 | *slotp = NULL; | |
1131 | ||
1132 | orig = *pp; | |
1133 | ||
1134 | size = -1; | |
b34976b6 | 1135 | stringp = FALSE; |
252b5132 | 1136 | |
b34976b6 | 1137 | info->self_crossref = FALSE; |
252b5132 RH |
1138 | |
1139 | /* Read type number if present. The type number may be omitted. | |
1140 | for instance in a two-dimensional array declared with type | |
1141 | "ar1;1;10;ar1;1;10;4". */ | |
3882b010 | 1142 | if (! ISDIGIT (**pp) && **pp != '(' && **pp != '-') |
252b5132 RH |
1143 | { |
1144 | /* 'typenums=' not present, type is anonymous. Read and return | |
1145 | the definition, but don't put it in the type vector. */ | |
1146 | typenums[0] = typenums[1] = -1; | |
1147 | } | |
1148 | else | |
1149 | { | |
1150 | if (! parse_stab_type_number (pp, typenums)) | |
1151 | return DEBUG_TYPE_NULL; | |
1152 | ||
1153 | if (**pp != '=') | |
7eb5191a NC |
1154 | /* Type is not being defined here. Either it already |
1155 | exists, or this is a forward reference to it. */ | |
1156 | return stab_find_type (dhandle, info, typenums); | |
252b5132 RH |
1157 | |
1158 | /* Only set the slot if the type is being defined. This means | |
1159 | that the mapping from type numbers to types will only record | |
1160 | the name of the typedef which defines a type. If we don't do | |
1161 | this, then something like | |
1162 | typedef int foo; | |
1163 | int i; | |
1164 | will record that i is of type foo. Unfortunately, stabs | |
1165 | information is ambiguous about variable types. For this code, | |
1166 | typedef int foo; | |
1167 | int i; | |
1168 | foo j; | |
1169 | the stabs information records both i and j as having the same | |
1170 | type. This could be fixed by patching the compiler. */ | |
1171 | if (slotp != NULL && typenums[0] >= 0 && typenums[1] >= 0) | |
1172 | *slotp = stab_find_slot (info, typenums); | |
1173 | ||
1174 | /* Type is being defined here. */ | |
1175 | /* Skip the '='. */ | |
1176 | ++*pp; | |
1177 | ||
1178 | while (**pp == '@') | |
1179 | { | |
1180 | const char *p = *pp + 1; | |
1181 | const char *attr; | |
1182 | ||
3882b010 | 1183 | if (ISDIGIT (*p) || *p == '(' || *p == '-') |
7eb5191a NC |
1184 | /* Member type. */ |
1185 | break; | |
252b5132 RH |
1186 | |
1187 | /* Type attributes. */ | |
1188 | attr = p; | |
1189 | ||
1190 | for (; *p != ';'; ++p) | |
1191 | { | |
1192 | if (*p == '\0') | |
1193 | { | |
1194 | bad_stab (orig); | |
1195 | return DEBUG_TYPE_NULL; | |
1196 | } | |
1197 | } | |
1198 | *pp = p + 1; | |
1199 | ||
1200 | switch (*attr) | |
1201 | { | |
1202 | case 's': | |
1203 | size = atoi (attr + 1); | |
944e5c61 | 1204 | size /= 8; /* Size is in bits. We store it in bytes. */ |
252b5132 RH |
1205 | if (size <= 0) |
1206 | size = -1; | |
1207 | break; | |
1208 | ||
1209 | case 'S': | |
b34976b6 | 1210 | stringp = TRUE; |
252b5132 RH |
1211 | break; |
1212 | ||
1213 | default: | |
1214 | /* Ignore unrecognized type attributes, so future | |
1215 | compilers can invent new ones. */ | |
1216 | break; | |
1217 | } | |
1218 | } | |
1219 | } | |
1220 | ||
1221 | descriptor = **pp; | |
1222 | ++*pp; | |
1223 | ||
1224 | switch (descriptor) | |
1225 | { | |
1226 | case 'x': | |
1227 | { | |
1228 | enum debug_type_kind code; | |
1229 | const char *q1, *q2, *p; | |
1230 | ||
1231 | /* A cross reference to another type. */ | |
252b5132 RH |
1232 | switch (**pp) |
1233 | { | |
1234 | case 's': | |
1235 | code = DEBUG_KIND_STRUCT; | |
1236 | break; | |
1237 | case 'u': | |
1238 | code = DEBUG_KIND_UNION; | |
1239 | break; | |
1240 | case 'e': | |
1241 | code = DEBUG_KIND_ENUM; | |
1242 | break; | |
1243 | default: | |
1244 | /* Complain and keep going, so compilers can invent new | |
1245 | cross-reference types. */ | |
1246 | warn_stab (orig, _("unrecognized cross reference type")); | |
1247 | code = DEBUG_KIND_STRUCT; | |
1248 | break; | |
1249 | } | |
1250 | ++*pp; | |
1251 | ||
1252 | q1 = strchr (*pp, '<'); | |
1253 | p = strchr (*pp, ':'); | |
1254 | if (p == NULL) | |
1255 | { | |
1256 | bad_stab (orig); | |
1257 | return DEBUG_TYPE_NULL; | |
1258 | } | |
c602a165 | 1259 | if (q1 != NULL && p > q1 && p[1] == ':') |
252b5132 | 1260 | { |
c602a165 ILT |
1261 | int nest = 0; |
1262 | ||
1263 | for (q2 = q1; *q2 != '\0'; ++q2) | |
1264 | { | |
1265 | if (*q2 == '<') | |
1266 | ++nest; | |
1267 | else if (*q2 == '>') | |
1268 | --nest; | |
1269 | else if (*q2 == ':' && nest == 0) | |
1270 | break; | |
1271 | } | |
1272 | p = q2; | |
1273 | if (*p != ':') | |
252b5132 RH |
1274 | { |
1275 | bad_stab (orig); | |
1276 | return DEBUG_TYPE_NULL; | |
1277 | } | |
1278 | } | |
1279 | ||
1280 | /* Some versions of g++ can emit stabs like | |
1281 | fleep:T20=xsfleep: | |
1282 | which define structures in terms of themselves. We need to | |
1283 | tell the caller to avoid building a circular structure. */ | |
1284 | if (typename != NULL | |
1285 | && strncmp (typename, *pp, p - *pp) == 0 | |
1286 | && typename[p - *pp] == '\0') | |
b34976b6 | 1287 | info->self_crossref = TRUE; |
252b5132 RH |
1288 | |
1289 | dtype = stab_find_tagged_type (dhandle, info, *pp, p - *pp, code); | |
1290 | ||
1291 | *pp = p + 1; | |
1292 | } | |
1293 | break; | |
1294 | ||
1295 | case '-': | |
1296 | case '0': | |
1297 | case '1': | |
1298 | case '2': | |
1299 | case '3': | |
1300 | case '4': | |
1301 | case '5': | |
1302 | case '6': | |
1303 | case '7': | |
1304 | case '8': | |
1305 | case '9': | |
1306 | case '(': | |
1307 | { | |
1308 | const char *hold; | |
1309 | int xtypenums[2]; | |
1310 | ||
1311 | /* This type is defined as another type. */ | |
252b5132 RH |
1312 | (*pp)--; |
1313 | hold = *pp; | |
1314 | ||
1315 | /* Peek ahead at the number to detect void. */ | |
1316 | if (! parse_stab_type_number (pp, xtypenums)) | |
1317 | return DEBUG_TYPE_NULL; | |
1318 | ||
1319 | if (typenums[0] == xtypenums[0] && typenums[1] == xtypenums[1]) | |
1320 | { | |
1321 | /* This type is being defined as itself, which means that | |
1322 | it is void. */ | |
1323 | dtype = debug_make_void_type (dhandle); | |
1324 | } | |
1325 | else | |
1326 | { | |
1327 | *pp = hold; | |
1328 | ||
1329 | /* Go back to the number and have parse_stab_type get it. | |
1330 | This means that we can deal with something like | |
1331 | t(1,2)=(3,4)=... which the Lucid compiler uses. */ | |
1332 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, | |
1333 | pp, (debug_type **) NULL); | |
1334 | if (dtype == DEBUG_TYPE_NULL) | |
1335 | return DEBUG_TYPE_NULL; | |
1336 | } | |
1337 | ||
1338 | if (typenums[0] != -1) | |
1339 | { | |
1340 | if (! stab_record_type (dhandle, info, typenums, dtype)) | |
1341 | return DEBUG_TYPE_NULL; | |
1342 | } | |
1343 | ||
1344 | break; | |
1345 | } | |
1346 | ||
1347 | case '*': | |
1348 | dtype = debug_make_pointer_type (dhandle, | |
1349 | parse_stab_type (dhandle, info, | |
1350 | (const char *) NULL, | |
1351 | pp, | |
1352 | (debug_type **) NULL)); | |
1353 | break; | |
1354 | ||
1355 | case '&': | |
1356 | /* Reference to another type. */ | |
1357 | dtype = (debug_make_reference_type | |
1358 | (dhandle, | |
1359 | parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1360 | (debug_type **) NULL))); | |
1361 | break; | |
1362 | ||
1363 | case 'f': | |
1364 | /* Function returning another type. */ | |
1365 | /* FIXME: gdb checks os9k_stabs here. */ | |
1366 | dtype = (debug_make_function_type | |
1367 | (dhandle, | |
1368 | parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1369 | (debug_type **) NULL), | |
b34976b6 | 1370 | (debug_type *) NULL, FALSE)); |
252b5132 RH |
1371 | break; |
1372 | ||
1373 | case 'k': | |
1374 | /* Const qualifier on some type (Sun). */ | |
1375 | /* FIXME: gdb accepts 'c' here if os9k_stabs. */ | |
1376 | dtype = debug_make_const_type (dhandle, | |
1377 | parse_stab_type (dhandle, info, | |
1378 | (const char *) NULL, | |
1379 | pp, | |
1380 | (debug_type **) NULL)); | |
1381 | break; | |
1382 | ||
1383 | case 'B': | |
1384 | /* Volatile qual on some type (Sun). */ | |
1385 | /* FIXME: gdb accepts 'i' here if os9k_stabs. */ | |
1386 | dtype = (debug_make_volatile_type | |
1387 | (dhandle, | |
1388 | parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1389 | (debug_type **) NULL))); | |
1390 | break; | |
1391 | ||
1392 | case '@': | |
1393 | /* Offset (class & variable) type. This is used for a pointer | |
1394 | relative to an object. */ | |
1395 | { | |
1396 | debug_type domain; | |
1397 | debug_type memtype; | |
1398 | ||
1399 | /* Member type. */ | |
1400 | ||
1401 | domain = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1402 | (debug_type **) NULL); | |
1403 | if (domain == DEBUG_TYPE_NULL) | |
1404 | return DEBUG_TYPE_NULL; | |
1405 | ||
1406 | if (**pp != ',') | |
1407 | { | |
1408 | bad_stab (orig); | |
1409 | return DEBUG_TYPE_NULL; | |
1410 | } | |
1411 | ++*pp; | |
1412 | ||
1413 | memtype = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1414 | (debug_type **) NULL); | |
1415 | if (memtype == DEBUG_TYPE_NULL) | |
1416 | return DEBUG_TYPE_NULL; | |
1417 | ||
1418 | dtype = debug_make_offset_type (dhandle, domain, memtype); | |
1419 | } | |
1420 | break; | |
1421 | ||
1422 | case '#': | |
1423 | /* Method (class & fn) type. */ | |
1424 | if (**pp == '#') | |
1425 | { | |
1426 | debug_type return_type; | |
1427 | ||
1428 | ++*pp; | |
1429 | return_type = parse_stab_type (dhandle, info, (const char *) NULL, | |
1430 | pp, (debug_type **) NULL); | |
1431 | if (return_type == DEBUG_TYPE_NULL) | |
1432 | return DEBUG_TYPE_NULL; | |
1433 | if (**pp != ';') | |
1434 | { | |
1435 | bad_stab (orig); | |
1436 | return DEBUG_TYPE_NULL; | |
1437 | } | |
1438 | ++*pp; | |
1439 | dtype = debug_make_method_type (dhandle, return_type, | |
1440 | DEBUG_TYPE_NULL, | |
b34976b6 | 1441 | (debug_type *) NULL, FALSE); |
252b5132 RH |
1442 | } |
1443 | else | |
1444 | { | |
1445 | debug_type domain; | |
1446 | debug_type return_type; | |
1447 | debug_type *args; | |
1448 | unsigned int n; | |
1449 | unsigned int alloc; | |
b34976b6 | 1450 | bfd_boolean varargs; |
252b5132 RH |
1451 | |
1452 | domain = parse_stab_type (dhandle, info, (const char *) NULL, | |
1453 | pp, (debug_type **) NULL); | |
1454 | if (domain == DEBUG_TYPE_NULL) | |
1455 | return DEBUG_TYPE_NULL; | |
1456 | ||
1457 | if (**pp != ',') | |
1458 | { | |
1459 | bad_stab (orig); | |
1460 | return DEBUG_TYPE_NULL; | |
1461 | } | |
1462 | ++*pp; | |
1463 | ||
1464 | return_type = parse_stab_type (dhandle, info, (const char *) NULL, | |
1465 | pp, (debug_type **) NULL); | |
1466 | if (return_type == DEBUG_TYPE_NULL) | |
1467 | return DEBUG_TYPE_NULL; | |
1468 | ||
1469 | alloc = 10; | |
1470 | args = (debug_type *) xmalloc (alloc * sizeof *args); | |
1471 | n = 0; | |
1472 | while (**pp != ';') | |
1473 | { | |
1474 | if (**pp != ',') | |
1475 | { | |
1476 | bad_stab (orig); | |
1477 | return DEBUG_TYPE_NULL; | |
1478 | } | |
1479 | ++*pp; | |
1480 | ||
1481 | if (n + 1 >= alloc) | |
1482 | { | |
1483 | alloc += 10; | |
1484 | args = ((debug_type *) | |
2da42df6 | 1485 | xrealloc (args, alloc * sizeof *args)); |
252b5132 RH |
1486 | } |
1487 | ||
1488 | args[n] = parse_stab_type (dhandle, info, (const char *) NULL, | |
1489 | pp, (debug_type **) NULL); | |
1490 | if (args[n] == DEBUG_TYPE_NULL) | |
1491 | return DEBUG_TYPE_NULL; | |
1492 | ++n; | |
1493 | } | |
1494 | ++*pp; | |
1495 | ||
1496 | /* If the last type is not void, then this function takes a | |
1497 | variable number of arguments. Otherwise, we must strip | |
1498 | the void type. */ | |
1499 | if (n == 0 | |
1500 | || debug_get_type_kind (dhandle, args[n - 1]) != DEBUG_KIND_VOID) | |
b34976b6 | 1501 | varargs = TRUE; |
252b5132 RH |
1502 | else |
1503 | { | |
1504 | --n; | |
b34976b6 | 1505 | varargs = FALSE; |
252b5132 RH |
1506 | } |
1507 | ||
1508 | args[n] = DEBUG_TYPE_NULL; | |
1509 | ||
1510 | dtype = debug_make_method_type (dhandle, return_type, domain, args, | |
1511 | varargs); | |
1512 | } | |
1513 | break; | |
1514 | ||
1515 | case 'r': | |
1516 | /* Range type. */ | |
1517 | dtype = parse_stab_range_type (dhandle, info, typename, pp, typenums); | |
1518 | break; | |
1519 | ||
1520 | case 'b': | |
1521 | /* FIXME: gdb checks os9k_stabs here. */ | |
1522 | /* Sun ACC builtin int type. */ | |
1523 | dtype = parse_stab_sun_builtin_type (dhandle, pp); | |
1524 | break; | |
1525 | ||
1526 | case 'R': | |
1527 | /* Sun ACC builtin float type. */ | |
1528 | dtype = parse_stab_sun_floating_type (dhandle, pp); | |
1529 | break; | |
1530 | ||
1531 | case 'e': | |
1532 | /* Enumeration type. */ | |
1533 | dtype = parse_stab_enum_type (dhandle, pp); | |
1534 | break; | |
1535 | ||
1536 | case 's': | |
1537 | case 'u': | |
1538 | /* Struct or union type. */ | |
1539 | dtype = parse_stab_struct_type (dhandle, info, typename, pp, | |
1540 | descriptor == 's', typenums); | |
1541 | break; | |
1542 | ||
1543 | case 'a': | |
1544 | /* Array type. */ | |
1545 | if (**pp != 'r') | |
1546 | { | |
1547 | bad_stab (orig); | |
1548 | return DEBUG_TYPE_NULL; | |
1549 | } | |
1550 | ++*pp; | |
1551 | ||
1552 | dtype = parse_stab_array_type (dhandle, info, pp, stringp); | |
1553 | break; | |
1554 | ||
1555 | case 'S': | |
1556 | dtype = debug_make_set_type (dhandle, | |
1557 | parse_stab_type (dhandle, info, | |
1558 | (const char *) NULL, | |
1559 | pp, | |
1560 | (debug_type **) NULL), | |
1561 | stringp); | |
1562 | break; | |
1563 | ||
1564 | default: | |
1565 | bad_stab (orig); | |
1566 | return DEBUG_TYPE_NULL; | |
1567 | } | |
1568 | ||
1569 | if (dtype == DEBUG_TYPE_NULL) | |
1570 | return DEBUG_TYPE_NULL; | |
1571 | ||
1572 | if (typenums[0] != -1) | |
1573 | { | |
1574 | if (! stab_record_type (dhandle, info, typenums, dtype)) | |
1575 | return DEBUG_TYPE_NULL; | |
1576 | } | |
1577 | ||
1578 | if (size != -1) | |
1579 | { | |
1580 | if (! debug_record_type_size (dhandle, dtype, (unsigned int) size)) | |
3dceb55b | 1581 | return DEBUG_TYPE_NULL; |
252b5132 RH |
1582 | } |
1583 | ||
1584 | return dtype; | |
1585 | } | |
1586 | ||
1587 | /* Read a number by which a type is referred to in dbx data, or | |
1588 | perhaps read a pair (FILENUM, TYPENUM) in parentheses. Just a | |
1589 | single number N is equivalent to (0,N). Return the two numbers by | |
1590 | storing them in the vector TYPENUMS. */ | |
1591 | ||
b34976b6 | 1592 | static bfd_boolean |
2da42df6 | 1593 | parse_stab_type_number (const char **pp, int *typenums) |
252b5132 RH |
1594 | { |
1595 | const char *orig; | |
1596 | ||
1597 | orig = *pp; | |
1598 | ||
1599 | if (**pp != '(') | |
1600 | { | |
1601 | typenums[0] = 0; | |
b34976b6 | 1602 | typenums[1] = (int) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1603 | } |
1604 | else | |
1605 | { | |
1606 | ++*pp; | |
b34976b6 | 1607 | typenums[0] = (int) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1608 | if (**pp != ',') |
1609 | { | |
1610 | bad_stab (orig); | |
b34976b6 | 1611 | return FALSE; |
252b5132 RH |
1612 | } |
1613 | ++*pp; | |
b34976b6 | 1614 | typenums[1] = (int) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1615 | if (**pp != ')') |
1616 | { | |
1617 | bad_stab (orig); | |
b34976b6 | 1618 | return FALSE; |
252b5132 RH |
1619 | } |
1620 | ++*pp; | |
1621 | } | |
1622 | ||
b34976b6 | 1623 | return TRUE; |
252b5132 RH |
1624 | } |
1625 | ||
1626 | /* Parse a range type. */ | |
1627 | ||
1628 | static debug_type | |
2da42df6 | 1629 | parse_stab_range_type (void *dhandle, struct stab_handle *info, const char *typename, const char **pp, const int *typenums) |
252b5132 RH |
1630 | { |
1631 | const char *orig; | |
1632 | int rangenums[2]; | |
b34976b6 | 1633 | bfd_boolean self_subrange; |
252b5132 RH |
1634 | debug_type index_type; |
1635 | const char *s2, *s3; | |
1636 | bfd_signed_vma n2, n3; | |
b34976b6 | 1637 | bfd_boolean ov2, ov3; |
252b5132 RH |
1638 | |
1639 | orig = *pp; | |
1640 | ||
1641 | index_type = DEBUG_TYPE_NULL; | |
1642 | ||
1643 | /* First comes a type we are a subrange of. | |
1644 | In C it is usually 0, 1 or the type being defined. */ | |
1645 | if (! parse_stab_type_number (pp, rangenums)) | |
1646 | return DEBUG_TYPE_NULL; | |
1647 | ||
1648 | self_subrange = (rangenums[0] == typenums[0] | |
1649 | && rangenums[1] == typenums[1]); | |
1650 | ||
1651 | if (**pp == '=') | |
1652 | { | |
1653 | *pp = orig; | |
1654 | index_type = parse_stab_type (dhandle, info, (const char *) NULL, | |
1655 | pp, (debug_type **) NULL); | |
1656 | if (index_type == DEBUG_TYPE_NULL) | |
1657 | return DEBUG_TYPE_NULL; | |
1658 | } | |
1659 | ||
1660 | if (**pp == ';') | |
1661 | ++*pp; | |
1662 | ||
1663 | /* The remaining two operands are usually lower and upper bounds of | |
1664 | the range. But in some special cases they mean something else. */ | |
1665 | s2 = *pp; | |
1666 | n2 = parse_number (pp, &ov2); | |
1667 | if (**pp != ';') | |
1668 | { | |
1669 | bad_stab (orig); | |
1670 | return DEBUG_TYPE_NULL; | |
1671 | } | |
1672 | ++*pp; | |
1673 | ||
1674 | s3 = *pp; | |
1675 | n3 = parse_number (pp, &ov3); | |
1676 | if (**pp != ';') | |
1677 | { | |
1678 | bad_stab (orig); | |
1679 | return DEBUG_TYPE_NULL; | |
1680 | } | |
1681 | ++*pp; | |
1682 | ||
1683 | if (ov2 || ov3) | |
1684 | { | |
1685 | /* gcc will emit range stabs for long long types. Handle this | |
1686 | as a special case. FIXME: This needs to be more general. */ | |
7eb5191a NC |
1687 | #define LLLOW "01000000000000000000000;" |
1688 | #define LLHIGH "0777777777777777777777;" | |
252b5132 RH |
1689 | #define ULLHIGH "01777777777777777777777;" |
1690 | if (index_type == DEBUG_TYPE_NULL) | |
1691 | { | |
1692 | if (strncmp (s2, LLLOW, sizeof LLLOW - 1) == 0 | |
1693 | && strncmp (s3, LLHIGH, sizeof LLHIGH - 1) == 0) | |
b34976b6 | 1694 | return debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
1695 | if (! ov2 |
1696 | && n2 == 0 | |
1697 | && strncmp (s3, ULLHIGH, sizeof ULLHIGH - 1) == 0) | |
b34976b6 | 1698 | return debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
1699 | } |
1700 | ||
1701 | warn_stab (orig, _("numeric overflow")); | |
1702 | } | |
1703 | ||
1704 | if (index_type == DEBUG_TYPE_NULL) | |
1705 | { | |
1706 | /* A type defined as a subrange of itself, with both bounds 0, | |
1707 | is void. */ | |
1708 | if (self_subrange && n2 == 0 && n3 == 0) | |
1709 | return debug_make_void_type (dhandle); | |
1710 | ||
1711 | /* A type defined as a subrange of itself, with n2 positive and | |
1712 | n3 zero, is a complex type, and n2 is the number of bytes. */ | |
1713 | if (self_subrange && n3 == 0 && n2 > 0) | |
1714 | return debug_make_complex_type (dhandle, n2); | |
1715 | ||
1716 | /* If n3 is zero and n2 is positive, this is a floating point | |
1717 | type, and n2 is the number of bytes. */ | |
1718 | if (n3 == 0 && n2 > 0) | |
1719 | return debug_make_float_type (dhandle, n2); | |
1720 | ||
1721 | /* If the upper bound is -1, this is an unsigned int. */ | |
1722 | if (n2 == 0 && n3 == -1) | |
1723 | { | |
1724 | /* When gcc is used with -gstabs, but not -gstabs+, it will emit | |
1725 | long long int:t6=r1;0;-1; | |
1726 | long long unsigned int:t7=r1;0;-1; | |
1727 | We hack here to handle this reasonably. */ | |
1728 | if (typename != NULL) | |
1729 | { | |
1730 | if (strcmp (typename, "long long int") == 0) | |
b34976b6 | 1731 | return debug_make_int_type (dhandle, 8, FALSE); |
252b5132 | 1732 | else if (strcmp (typename, "long long unsigned int") == 0) |
b34976b6 | 1733 | return debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
1734 | } |
1735 | /* FIXME: The size here really depends upon the target. */ | |
b34976b6 | 1736 | return debug_make_int_type (dhandle, 4, TRUE); |
252b5132 RH |
1737 | } |
1738 | ||
1739 | /* A range of 0 to 127 is char. */ | |
1740 | if (self_subrange && n2 == 0 && n3 == 127) | |
b34976b6 | 1741 | return debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
1742 | |
1743 | /* FIXME: gdb checks for the language CHILL here. */ | |
1744 | ||
1745 | if (n2 == 0) | |
1746 | { | |
1747 | if (n3 < 0) | |
b34976b6 | 1748 | return debug_make_int_type (dhandle, - n3, TRUE); |
252b5132 | 1749 | else if (n3 == 0xff) |
b34976b6 | 1750 | return debug_make_int_type (dhandle, 1, TRUE); |
252b5132 | 1751 | else if (n3 == 0xffff) |
b34976b6 | 1752 | return debug_make_int_type (dhandle, 2, TRUE); |
b4c96d0d | 1753 | else if (n3 == (bfd_signed_vma) 0xffffffff) |
b34976b6 | 1754 | return debug_make_int_type (dhandle, 4, TRUE); |
252b5132 | 1755 | #ifdef BFD64 |
3c9f43b1 | 1756 | else if (n3 == ((((bfd_signed_vma) 0xffffffff) << 32) | 0xffffffff)) |
b34976b6 | 1757 | return debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
1758 | #endif |
1759 | } | |
1760 | else if (n3 == 0 | |
1761 | && n2 < 0 | |
1762 | && (self_subrange || n2 == -8)) | |
b34976b6 | 1763 | return debug_make_int_type (dhandle, - n2, TRUE); |
252b5132 RH |
1764 | else if (n2 == - n3 - 1 || n2 == n3 + 1) |
1765 | { | |
1766 | if (n3 == 0x7f) | |
b34976b6 | 1767 | return debug_make_int_type (dhandle, 1, FALSE); |
252b5132 | 1768 | else if (n3 == 0x7fff) |
b34976b6 | 1769 | return debug_make_int_type (dhandle, 2, FALSE); |
252b5132 | 1770 | else if (n3 == 0x7fffffff) |
b34976b6 | 1771 | return debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
1772 | #ifdef BFD64 |
1773 | else if (n3 == ((((bfd_vma) 0x7fffffff) << 32) | 0xffffffff)) | |
b34976b6 | 1774 | return debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
1775 | #endif |
1776 | } | |
1777 | } | |
1778 | ||
1779 | /* At this point I don't have the faintest idea how to deal with a | |
1780 | self_subrange type; I'm going to assume that this is used as an | |
1781 | idiom, and that all of them are special cases. So . . . */ | |
1782 | if (self_subrange) | |
1783 | { | |
1784 | bad_stab (orig); | |
1785 | return DEBUG_TYPE_NULL; | |
1786 | } | |
1787 | ||
1788 | index_type = stab_find_type (dhandle, info, rangenums); | |
1789 | if (index_type == DEBUG_TYPE_NULL) | |
1790 | { | |
1791 | /* Does this actually ever happen? Is that why we are worrying | |
1792 | about dealing with it rather than just calling error_type? */ | |
1793 | warn_stab (orig, _("missing index type")); | |
b34976b6 | 1794 | index_type = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
1795 | } |
1796 | ||
1797 | return debug_make_range_type (dhandle, index_type, n2, n3); | |
1798 | } | |
1799 | ||
1800 | /* Sun's ACC uses a somewhat saner method for specifying the builtin | |
1801 | typedefs in every file (for int, long, etc): | |
1802 | ||
1803 | type = b <signed> <width>; <offset>; <nbits> | |
1804 | signed = u or s. Possible c in addition to u or s (for char?). | |
1805 | offset = offset from high order bit to start bit of type. | |
1806 | width is # bytes in object of this type, nbits is # bits in type. | |
1807 | ||
1808 | The width/offset stuff appears to be for small objects stored in | |
1809 | larger ones (e.g. `shorts' in `int' registers). We ignore it for now, | |
1810 | FIXME. */ | |
1811 | ||
1812 | static debug_type | |
2da42df6 | 1813 | parse_stab_sun_builtin_type (void *dhandle, const char **pp) |
252b5132 RH |
1814 | { |
1815 | const char *orig; | |
b34976b6 | 1816 | bfd_boolean unsignedp; |
252b5132 RH |
1817 | bfd_vma bits; |
1818 | ||
1819 | orig = *pp; | |
1820 | ||
1821 | switch (**pp) | |
1822 | { | |
1823 | case 's': | |
b34976b6 | 1824 | unsignedp = FALSE; |
252b5132 RH |
1825 | break; |
1826 | case 'u': | |
b34976b6 | 1827 | unsignedp = TRUE; |
252b5132 RH |
1828 | break; |
1829 | default: | |
1830 | bad_stab (orig); | |
1831 | return DEBUG_TYPE_NULL; | |
1832 | } | |
1833 | ++*pp; | |
1834 | ||
1835 | /* For some odd reason, all forms of char put a c here. This is strange | |
1836 | because no other type has this honor. We can safely ignore this because | |
1837 | we actually determine 'char'acterness by the number of bits specified in | |
1838 | the descriptor. */ | |
1839 | if (**pp == 'c') | |
1840 | ++*pp; | |
1841 | ||
1842 | /* The first number appears to be the number of bytes occupied | |
1843 | by this type, except that unsigned short is 4 instead of 2. | |
1844 | Since this information is redundant with the third number, | |
1845 | we will ignore it. */ | |
b34976b6 | 1846 | (void) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1847 | if (**pp != ';') |
1848 | { | |
1849 | bad_stab (orig); | |
1850 | return DEBUG_TYPE_NULL; | |
1851 | } | |
1852 | ++*pp; | |
1853 | ||
9f66665a | 1854 | /* The second number is always 0, so ignore it too. */ |
b34976b6 | 1855 | (void) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1856 | if (**pp != ';') |
1857 | { | |
1858 | bad_stab (orig); | |
1859 | return DEBUG_TYPE_NULL; | |
1860 | } | |
1861 | ++*pp; | |
1862 | ||
9f66665a | 1863 | /* The third number is the number of bits for this type. */ |
b34976b6 | 1864 | bits = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1865 | |
1866 | /* The type *should* end with a semicolon. If it are embedded | |
1867 | in a larger type the semicolon may be the only way to know where | |
1868 | the type ends. If this type is at the end of the stabstring we | |
1869 | can deal with the omitted semicolon (but we don't have to like | |
1870 | it). Don't bother to complain(), Sun's compiler omits the semicolon | |
1871 | for "void". */ | |
1872 | if (**pp == ';') | |
1873 | ++*pp; | |
1874 | ||
1875 | if (bits == 0) | |
1876 | return debug_make_void_type (dhandle); | |
1877 | ||
1878 | return debug_make_int_type (dhandle, bits / 8, unsignedp); | |
1879 | } | |
1880 | ||
1881 | /* Parse a builtin floating type generated by the Sun compiler. */ | |
1882 | ||
1883 | static debug_type | |
2da42df6 | 1884 | parse_stab_sun_floating_type (void *dhandle, const char **pp) |
252b5132 RH |
1885 | { |
1886 | const char *orig; | |
1887 | bfd_vma details; | |
1888 | bfd_vma bytes; | |
1889 | ||
1890 | orig = *pp; | |
1891 | ||
1892 | /* The first number has more details about the type, for example | |
1893 | FN_COMPLEX. */ | |
b34976b6 | 1894 | details = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1895 | if (**pp != ';') |
1896 | { | |
1897 | bad_stab (orig); | |
1898 | return DEBUG_TYPE_NULL; | |
1899 | } | |
1900 | ||
1901 | /* The second number is the number of bytes occupied by this type */ | |
b34976b6 | 1902 | bytes = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1903 | if (**pp != ';') |
1904 | { | |
1905 | bad_stab (orig); | |
1906 | return DEBUG_TYPE_NULL; | |
1907 | } | |
1908 | ||
1909 | if (details == NF_COMPLEX | |
1910 | || details == NF_COMPLEX16 | |
1911 | || details == NF_COMPLEX32) | |
1912 | return debug_make_complex_type (dhandle, bytes); | |
1913 | ||
9f66665a | 1914 | return debug_make_float_type (dhandle, bytes); |
252b5132 RH |
1915 | } |
1916 | ||
1917 | /* Handle an enum type. */ | |
1918 | ||
1919 | static debug_type | |
2da42df6 | 1920 | parse_stab_enum_type (void *dhandle, const char **pp) |
252b5132 RH |
1921 | { |
1922 | const char *orig; | |
1923 | const char **names; | |
1924 | bfd_signed_vma *values; | |
1925 | unsigned int n; | |
1926 | unsigned int alloc; | |
1927 | ||
1928 | orig = *pp; | |
1929 | ||
1930 | /* FIXME: gdb checks os9k_stabs here. */ | |
1931 | ||
1932 | /* The aix4 compiler emits an extra field before the enum members; | |
1933 | my guess is it's a type of some sort. Just ignore it. */ | |
1934 | if (**pp == '-') | |
1935 | { | |
1936 | while (**pp != ':') | |
1937 | ++*pp; | |
1938 | ++*pp; | |
1939 | } | |
1940 | ||
1941 | /* Read the value-names and their values. | |
1942 | The input syntax is NAME:VALUE,NAME:VALUE, and so on. | |
1943 | A semicolon or comma instead of a NAME means the end. */ | |
1944 | alloc = 10; | |
1945 | names = (const char **) xmalloc (alloc * sizeof *names); | |
1946 | values = (bfd_signed_vma *) xmalloc (alloc * sizeof *values); | |
1947 | n = 0; | |
1948 | while (**pp != '\0' && **pp != ';' && **pp != ',') | |
1949 | { | |
1950 | const char *p; | |
1951 | char *name; | |
1952 | bfd_signed_vma val; | |
1953 | ||
1954 | p = *pp; | |
1955 | while (*p != ':') | |
1956 | ++p; | |
1957 | ||
1958 | name = savestring (*pp, p - *pp); | |
1959 | ||
1960 | *pp = p + 1; | |
b34976b6 | 1961 | val = (bfd_signed_vma) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1962 | if (**pp != ',') |
1963 | { | |
1964 | bad_stab (orig); | |
1965 | return DEBUG_TYPE_NULL; | |
1966 | } | |
1967 | ++*pp; | |
1968 | ||
1969 | if (n + 1 >= alloc) | |
1970 | { | |
1971 | alloc += 10; | |
1972 | names = ((const char **) | |
2da42df6 | 1973 | xrealloc (names, alloc * sizeof *names)); |
252b5132 | 1974 | values = ((bfd_signed_vma *) |
2da42df6 | 1975 | xrealloc (values, alloc * sizeof *values)); |
252b5132 RH |
1976 | } |
1977 | ||
1978 | names[n] = name; | |
1979 | values[n] = val; | |
1980 | ++n; | |
1981 | } | |
1982 | ||
1983 | names[n] = NULL; | |
1984 | values[n] = 0; | |
1985 | ||
1986 | if (**pp == ';') | |
1987 | ++*pp; | |
1988 | ||
1989 | return debug_make_enum_type (dhandle, names, values); | |
1990 | } | |
1991 | ||
1992 | /* Read the description of a structure (or union type) and return an object | |
1993 | describing the type. | |
1994 | ||
1995 | PP points to a character pointer that points to the next unconsumed token | |
1996 | in the the stabs string. For example, given stabs "A:T4=s4a:1,0,32;;", | |
1997 | *PP will point to "4a:1,0,32;;". */ | |
1998 | ||
1999 | static debug_type | |
2da42df6 AJ |
2000 | parse_stab_struct_type (void *dhandle, struct stab_handle *info, |
2001 | const char *tagname, const char **pp, | |
2002 | bfd_boolean structp, const int *typenums) | |
252b5132 RH |
2003 | { |
2004 | const char *orig; | |
2005 | bfd_vma size; | |
2006 | debug_baseclass *baseclasses; | |
2007 | debug_field *fields; | |
b34976b6 | 2008 | bfd_boolean statics; |
252b5132 RH |
2009 | debug_method *methods; |
2010 | debug_type vptrbase; | |
b34976b6 | 2011 | bfd_boolean ownvptr; |
252b5132 RH |
2012 | |
2013 | orig = *pp; | |
2014 | ||
2015 | /* Get the size. */ | |
b34976b6 | 2016 | size = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2017 | |
2018 | /* Get the other information. */ | |
2019 | if (! parse_stab_baseclasses (dhandle, info, pp, &baseclasses) | |
2020 | || ! parse_stab_struct_fields (dhandle, info, pp, &fields, &statics) | |
2021 | || ! parse_stab_members (dhandle, info, tagname, pp, typenums, &methods) | |
2022 | || ! parse_stab_tilde_field (dhandle, info, pp, typenums, &vptrbase, | |
2023 | &ownvptr)) | |
2024 | return DEBUG_TYPE_NULL; | |
2025 | ||
2026 | if (! statics | |
2027 | && baseclasses == NULL | |
2028 | && methods == NULL | |
2029 | && vptrbase == DEBUG_TYPE_NULL | |
2030 | && ! ownvptr) | |
2031 | return debug_make_struct_type (dhandle, structp, size, fields); | |
2032 | ||
2033 | return debug_make_object_type (dhandle, structp, size, fields, baseclasses, | |
2034 | methods, vptrbase, ownvptr); | |
2035 | } | |
2036 | ||
2037 | /* The stabs for C++ derived classes contain baseclass information which | |
2038 | is marked by a '!' character after the total size. This function is | |
2039 | called when we encounter the baseclass marker, and slurps up all the | |
2040 | baseclass information. | |
2041 | ||
2042 | Immediately following the '!' marker is the number of base classes that | |
2043 | the class is derived from, followed by information for each base class. | |
2044 | For each base class, there are two visibility specifiers, a bit offset | |
2045 | to the base class information within the derived class, a reference to | |
2046 | the type for the base class, and a terminating semicolon. | |
2047 | ||
2048 | A typical example, with two base classes, would be "!2,020,19;0264,21;". | |
2da42df6 | 2049 | ^^ ^ ^ ^ ^ ^ ^ |
252b5132 RH |
2050 | Baseclass information marker __________________|| | | | | | | |
2051 | Number of baseclasses __________________________| | | | | | | | |
2052 | Visibility specifiers (2) ________________________| | | | | | | |
2053 | Offset in bits from start of class _________________| | | | | | |
2054 | Type number for base class ___________________________| | | | | |
2055 | Visibility specifiers (2) _______________________________| | | | |
2056 | Offset in bits from start of class ________________________| | | |
2057 | Type number of base class ____________________________________| | |
2058 | ||
b34976b6 | 2059 | Return TRUE for success, FALSE for failure. */ |
252b5132 | 2060 | |
b34976b6 | 2061 | static bfd_boolean |
2da42df6 AJ |
2062 | parse_stab_baseclasses (void *dhandle, struct stab_handle *info, |
2063 | const char **pp, debug_baseclass **retp) | |
252b5132 RH |
2064 | { |
2065 | const char *orig; | |
2066 | unsigned int c, i; | |
2067 | debug_baseclass *classes; | |
2068 | ||
2069 | *retp = NULL; | |
2070 | ||
2071 | orig = *pp; | |
2072 | ||
2073 | if (**pp != '!') | |
2074 | { | |
2075 | /* No base classes. */ | |
b34976b6 | 2076 | return TRUE; |
252b5132 RH |
2077 | } |
2078 | ++*pp; | |
2079 | ||
b34976b6 | 2080 | c = (unsigned int) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2081 | |
2082 | if (**pp != ',') | |
2083 | { | |
2084 | bad_stab (orig); | |
b34976b6 | 2085 | return FALSE; |
252b5132 RH |
2086 | } |
2087 | ++*pp; | |
2088 | ||
2089 | classes = (debug_baseclass *) xmalloc ((c + 1) * sizeof (**retp)); | |
2090 | ||
2091 | for (i = 0; i < c; i++) | |
2092 | { | |
b34976b6 | 2093 | bfd_boolean virtual; |
252b5132 RH |
2094 | enum debug_visibility visibility; |
2095 | bfd_vma bitpos; | |
2096 | debug_type type; | |
2097 | ||
2098 | switch (**pp) | |
2099 | { | |
2100 | case '0': | |
b34976b6 | 2101 | virtual = FALSE; |
252b5132 RH |
2102 | break; |
2103 | case '1': | |
b34976b6 | 2104 | virtual = TRUE; |
252b5132 RH |
2105 | break; |
2106 | default: | |
2107 | warn_stab (orig, _("unknown virtual character for baseclass")); | |
b34976b6 | 2108 | virtual = FALSE; |
252b5132 RH |
2109 | break; |
2110 | } | |
2111 | ++*pp; | |
2112 | ||
2113 | switch (**pp) | |
2114 | { | |
2115 | case '0': | |
2116 | visibility = DEBUG_VISIBILITY_PRIVATE; | |
2117 | break; | |
2118 | case '1': | |
2119 | visibility = DEBUG_VISIBILITY_PROTECTED; | |
2120 | break; | |
2121 | case '2': | |
2122 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2123 | break; | |
2124 | default: | |
2125 | warn_stab (orig, _("unknown visibility character for baseclass")); | |
2126 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2127 | break; | |
2128 | } | |
2129 | ++*pp; | |
2130 | ||
2131 | /* The remaining value is the bit offset of the portion of the | |
2132 | object corresponding to this baseclass. Always zero in the | |
2133 | absence of multiple inheritance. */ | |
b34976b6 | 2134 | bitpos = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2135 | if (**pp != ',') |
2136 | { | |
2137 | bad_stab (orig); | |
b34976b6 | 2138 | return FALSE; |
252b5132 RH |
2139 | } |
2140 | ++*pp; | |
2141 | ||
2142 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2143 | (debug_type **) NULL); | |
2144 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 2145 | return FALSE; |
252b5132 RH |
2146 | |
2147 | classes[i] = debug_make_baseclass (dhandle, type, bitpos, virtual, | |
2148 | visibility); | |
2149 | if (classes[i] == DEBUG_BASECLASS_NULL) | |
b34976b6 | 2150 | return FALSE; |
252b5132 RH |
2151 | |
2152 | if (**pp != ';') | |
b34976b6 | 2153 | return FALSE; |
252b5132 RH |
2154 | ++*pp; |
2155 | } | |
2156 | ||
2157 | classes[i] = DEBUG_BASECLASS_NULL; | |
2158 | ||
2159 | *retp = classes; | |
2160 | ||
b34976b6 | 2161 | return TRUE; |
252b5132 RH |
2162 | } |
2163 | ||
2164 | /* Read struct or class data fields. They have the form: | |
2165 | ||
2da42df6 | 2166 | NAME : [VISIBILITY] TYPENUM , BITPOS , BITSIZE ; |
252b5132 RH |
2167 | |
2168 | At the end, we see a semicolon instead of a field. | |
2169 | ||
2170 | In C++, this may wind up being NAME:?TYPENUM:PHYSNAME; for | |
2171 | a static field. | |
2172 | ||
2173 | The optional VISIBILITY is one of: | |
2174 | ||
2da42df6 | 2175 | '/0' (VISIBILITY_PRIVATE) |
252b5132 RH |
2176 | '/1' (VISIBILITY_PROTECTED) |
2177 | '/2' (VISIBILITY_PUBLIC) | |
2178 | '/9' (VISIBILITY_IGNORE) | |
2179 | ||
2180 | or nothing, for C style fields with public visibility. | |
2181 | ||
2182 | Returns 1 for success, 0 for failure. */ | |
2183 | ||
b34976b6 | 2184 | static bfd_boolean |
2da42df6 AJ |
2185 | parse_stab_struct_fields (void *dhandle, struct stab_handle *info, |
2186 | const char **pp, debug_field **retp, | |
2187 | bfd_boolean *staticsp) | |
252b5132 RH |
2188 | { |
2189 | const char *orig; | |
2190 | const char *p; | |
2191 | debug_field *fields; | |
2192 | unsigned int c; | |
2193 | unsigned int alloc; | |
2194 | ||
2195 | *retp = NULL; | |
b34976b6 | 2196 | *staticsp = FALSE; |
252b5132 RH |
2197 | |
2198 | orig = *pp; | |
2199 | ||
2200 | c = 0; | |
2201 | alloc = 10; | |
2202 | fields = (debug_field *) xmalloc (alloc * sizeof *fields); | |
2203 | while (**pp != ';') | |
2204 | { | |
2205 | /* FIXME: gdb checks os9k_stabs here. */ | |
2206 | ||
2207 | p = *pp; | |
2208 | ||
2209 | /* Add 1 to c to leave room for NULL pointer at end. */ | |
2210 | if (c + 1 >= alloc) | |
2211 | { | |
2212 | alloc += 10; | |
2213 | fields = ((debug_field *) | |
2da42df6 | 2214 | xrealloc (fields, alloc * sizeof *fields)); |
252b5132 RH |
2215 | } |
2216 | ||
2217 | /* If it starts with CPLUS_MARKER it is a special abbreviation, | |
2218 | unless the CPLUS_MARKER is followed by an underscore, in | |
2219 | which case it is just the name of an anonymous type, which we | |
2220 | should handle like any other type name. We accept either '$' | |
2221 | or '.', because a field name can never contain one of these | |
2222 | characters except as a CPLUS_MARKER. */ | |
2223 | ||
2224 | if ((*p == '$' || *p == '.') && p[1] != '_') | |
2225 | { | |
2226 | ++*pp; | |
2227 | if (! parse_stab_cpp_abbrev (dhandle, info, pp, fields + c)) | |
b34976b6 | 2228 | return FALSE; |
252b5132 RH |
2229 | ++c; |
2230 | continue; | |
2231 | } | |
2232 | ||
2233 | /* Look for the ':' that separates the field name from the field | |
2234 | values. Data members are delimited by a single ':', while member | |
2235 | functions are delimited by a pair of ':'s. When we hit the member | |
9f66665a | 2236 | functions (if any), terminate scan loop and return. */ |
252b5132 RH |
2237 | |
2238 | p = strchr (p, ':'); | |
2239 | if (p == NULL) | |
2240 | { | |
2241 | bad_stab (orig); | |
b34976b6 | 2242 | return FALSE; |
252b5132 RH |
2243 | } |
2244 | ||
2245 | if (p[1] == ':') | |
2246 | break; | |
2247 | ||
2248 | if (! parse_stab_one_struct_field (dhandle, info, pp, p, fields + c, | |
2249 | staticsp)) | |
b34976b6 | 2250 | return FALSE; |
252b5132 RH |
2251 | |
2252 | ++c; | |
2253 | } | |
2254 | ||
2255 | fields[c] = DEBUG_FIELD_NULL; | |
2256 | ||
2257 | *retp = fields; | |
2258 | ||
b34976b6 | 2259 | return TRUE; |
252b5132 RH |
2260 | } |
2261 | ||
2262 | /* Special GNU C++ name. */ | |
2263 | ||
b34976b6 | 2264 | static bfd_boolean |
2da42df6 AJ |
2265 | parse_stab_cpp_abbrev (void *dhandle, struct stab_handle *info, |
2266 | const char **pp, debug_field *retp) | |
252b5132 RH |
2267 | { |
2268 | const char *orig; | |
2269 | int cpp_abbrev; | |
2270 | debug_type context; | |
2271 | const char *name; | |
2272 | const char *typename; | |
2273 | debug_type type; | |
2274 | bfd_vma bitpos; | |
2275 | ||
2276 | *retp = DEBUG_FIELD_NULL; | |
2277 | ||
2278 | orig = *pp; | |
2279 | ||
2280 | if (**pp != 'v') | |
2281 | { | |
2282 | bad_stab (*pp); | |
b34976b6 | 2283 | return FALSE; |
252b5132 RH |
2284 | } |
2285 | ++*pp; | |
2286 | ||
2287 | cpp_abbrev = **pp; | |
2288 | ++*pp; | |
2289 | ||
2290 | /* At this point, *pp points to something like "22:23=*22...", where | |
2291 | the type number before the ':' is the "context" and everything | |
2292 | after is a regular type definition. Lookup the type, find it's | |
2293 | name, and construct the field name. */ | |
2294 | ||
2295 | context = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2296 | (debug_type **) NULL); | |
2297 | if (context == DEBUG_TYPE_NULL) | |
b34976b6 | 2298 | return FALSE; |
252b5132 RH |
2299 | |
2300 | switch (cpp_abbrev) | |
2301 | { | |
2302 | case 'f': | |
2303 | /* $vf -- a virtual function table pointer. */ | |
2304 | name = "_vptr$"; | |
2305 | break; | |
2306 | case 'b': | |
2307 | /* $vb -- a virtual bsomethingorother */ | |
2308 | typename = debug_get_type_name (dhandle, context); | |
2309 | if (typename == NULL) | |
2310 | { | |
2311 | warn_stab (orig, _("unnamed $vb type")); | |
2312 | typename = "FOO"; | |
2313 | } | |
2314 | name = concat ("_vb$", typename, (const char *) NULL); | |
2315 | break; | |
2316 | default: | |
2317 | warn_stab (orig, _("unrecognized C++ abbreviation")); | |
2318 | name = "INVALID_CPLUSPLUS_ABBREV"; | |
2319 | break; | |
2320 | } | |
2321 | ||
2322 | if (**pp != ':') | |
2323 | { | |
2324 | bad_stab (orig); | |
b34976b6 | 2325 | return FALSE; |
252b5132 RH |
2326 | } |
2327 | ++*pp; | |
2328 | ||
2329 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2330 | (debug_type **) NULL); | |
2331 | if (**pp != ',') | |
2332 | { | |
2333 | bad_stab (orig); | |
b34976b6 | 2334 | return FALSE; |
252b5132 RH |
2335 | } |
2336 | ++*pp; | |
2337 | ||
b34976b6 | 2338 | bitpos = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2339 | if (**pp != ';') |
2340 | { | |
2341 | bad_stab (orig); | |
b34976b6 | 2342 | return FALSE; |
252b5132 RH |
2343 | } |
2344 | ++*pp; | |
2345 | ||
2346 | *retp = debug_make_field (dhandle, name, type, bitpos, 0, | |
2347 | DEBUG_VISIBILITY_PRIVATE); | |
2348 | if (*retp == DEBUG_FIELD_NULL) | |
b34976b6 | 2349 | return FALSE; |
252b5132 | 2350 | |
b34976b6 | 2351 | return TRUE; |
252b5132 RH |
2352 | } |
2353 | ||
2354 | /* Parse a single field in a struct or union. */ | |
2355 | ||
b34976b6 | 2356 | static bfd_boolean |
2da42df6 AJ |
2357 | parse_stab_one_struct_field (void *dhandle, struct stab_handle *info, |
2358 | const char **pp, const char *p, | |
2359 | debug_field *retp, bfd_boolean *staticsp) | |
252b5132 RH |
2360 | { |
2361 | const char *orig; | |
2362 | char *name; | |
2363 | enum debug_visibility visibility; | |
2364 | debug_type type; | |
2365 | bfd_vma bitpos; | |
2366 | bfd_vma bitsize; | |
2367 | ||
2368 | orig = *pp; | |
2369 | ||
2370 | /* FIXME: gdb checks ARM_DEMANGLING here. */ | |
2371 | ||
2372 | name = savestring (*pp, p - *pp); | |
2373 | ||
2374 | *pp = p + 1; | |
2375 | ||
2376 | if (**pp != '/') | |
2377 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2378 | else | |
2379 | { | |
2380 | ++*pp; | |
2381 | switch (**pp) | |
2382 | { | |
2383 | case '0': | |
2384 | visibility = DEBUG_VISIBILITY_PRIVATE; | |
2385 | break; | |
2386 | case '1': | |
2387 | visibility = DEBUG_VISIBILITY_PROTECTED; | |
2388 | break; | |
2389 | case '2': | |
2390 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2391 | break; | |
2392 | default: | |
2393 | warn_stab (orig, _("unknown visibility character for field")); | |
2394 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2395 | break; | |
2396 | } | |
2397 | ++*pp; | |
2398 | } | |
2399 | ||
2400 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2401 | (debug_type **) NULL); | |
2402 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 2403 | return FALSE; |
252b5132 RH |
2404 | |
2405 | if (**pp == ':') | |
2406 | { | |
2407 | char *varname; | |
2408 | ||
2409 | /* This is a static class member. */ | |
2410 | ++*pp; | |
2411 | p = strchr (*pp, ';'); | |
2412 | if (p == NULL) | |
2413 | { | |
2414 | bad_stab (orig); | |
b34976b6 | 2415 | return FALSE; |
252b5132 RH |
2416 | } |
2417 | ||
2418 | varname = savestring (*pp, p - *pp); | |
2419 | ||
2420 | *pp = p + 1; | |
2421 | ||
2422 | *retp = debug_make_static_member (dhandle, name, type, varname, | |
2423 | visibility); | |
b34976b6 | 2424 | *staticsp = TRUE; |
252b5132 | 2425 | |
b34976b6 | 2426 | return TRUE; |
252b5132 RH |
2427 | } |
2428 | ||
2429 | if (**pp != ',') | |
2430 | { | |
2431 | bad_stab (orig); | |
b34976b6 | 2432 | return FALSE; |
252b5132 RH |
2433 | } |
2434 | ++*pp; | |
2435 | ||
b34976b6 | 2436 | bitpos = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2437 | if (**pp != ',') |
2438 | { | |
2439 | bad_stab (orig); | |
b34976b6 | 2440 | return FALSE; |
252b5132 RH |
2441 | } |
2442 | ++*pp; | |
2443 | ||
b34976b6 | 2444 | bitsize = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2445 | if (**pp != ';') |
2446 | { | |
2447 | bad_stab (orig); | |
b34976b6 | 2448 | return FALSE; |
252b5132 RH |
2449 | } |
2450 | ++*pp; | |
2451 | ||
2452 | if (bitpos == 0 && bitsize == 0) | |
2453 | { | |
2454 | /* This can happen in two cases: (1) at least for gcc 2.4.5 or | |
2455 | so, it is a field which has been optimized out. The correct | |
2456 | stab for this case is to use VISIBILITY_IGNORE, but that is a | |
2457 | recent invention. (2) It is a 0-size array. For example | |
2458 | union { int num; char str[0]; } foo. Printing "<no value>" | |
2459 | for str in "p foo" is OK, since foo.str (and thus foo.str[3]) | |
2460 | will continue to work, and a 0-size array as a whole doesn't | |
2461 | have any contents to print. | |
2462 | ||
2463 | I suspect this probably could also happen with gcc -gstabs | |
2464 | (not -gstabs+) for static fields, and perhaps other C++ | |
2465 | extensions. Hopefully few people use -gstabs with gdb, since | |
2466 | it is intended for dbx compatibility. */ | |
2467 | visibility = DEBUG_VISIBILITY_IGNORE; | |
2468 | } | |
2469 | ||
2470 | /* FIXME: gdb does some stuff here to mark fields as unpacked. */ | |
2471 | ||
2472 | *retp = debug_make_field (dhandle, name, type, bitpos, bitsize, visibility); | |
2473 | ||
b34976b6 | 2474 | return TRUE; |
252b5132 RH |
2475 | } |
2476 | ||
2477 | /* Read member function stabs info for C++ classes. The form of each member | |
2478 | function data is: | |
2479 | ||
2480 | NAME :: TYPENUM[=type definition] ARGS : PHYSNAME ; | |
2481 | ||
2482 | An example with two member functions is: | |
2483 | ||
2484 | afunc1::20=##15;:i;2A.;afunc2::20:i;2A.; | |
2485 | ||
2486 | For the case of overloaded operators, the format is op$::*.funcs, where | |
2487 | $ is the CPLUS_MARKER (usually '$'), `*' holds the place for an operator | |
2488 | name (such as `+=') and `.' marks the end of the operator name. */ | |
2489 | ||
b34976b6 | 2490 | static bfd_boolean |
2da42df6 AJ |
2491 | parse_stab_members (void *dhandle, struct stab_handle *info, |
2492 | const char *tagname, const char **pp, | |
2493 | const int *typenums, debug_method **retp) | |
252b5132 RH |
2494 | { |
2495 | const char *orig; | |
2496 | debug_method *methods; | |
2497 | unsigned int c; | |
2498 | unsigned int alloc; | |
2499 | ||
2500 | *retp = NULL; | |
2501 | ||
2502 | orig = *pp; | |
2503 | ||
2504 | alloc = 0; | |
2505 | methods = NULL; | |
2506 | c = 0; | |
2507 | ||
2508 | while (**pp != ';') | |
2509 | { | |
2510 | const char *p; | |
2511 | char *name; | |
2512 | debug_method_variant *variants; | |
2513 | unsigned int cvars; | |
2514 | unsigned int allocvars; | |
2515 | debug_type look_ahead_type; | |
2516 | ||
2517 | p = strchr (*pp, ':'); | |
2518 | if (p == NULL || p[1] != ':') | |
2519 | break; | |
2520 | ||
2521 | /* FIXME: Some systems use something other than '$' here. */ | |
2522 | if ((*pp)[0] != 'o' || (*pp)[1] != 'p' || (*pp)[2] != '$') | |
2523 | { | |
2524 | name = savestring (*pp, p - *pp); | |
2525 | *pp = p + 2; | |
2526 | } | |
2527 | else | |
2528 | { | |
2529 | /* This is a completely wierd case. In order to stuff in the | |
2530 | names that might contain colons (the usual name delimiter), | |
2531 | Mike Tiemann defined a different name format which is | |
2532 | signalled if the identifier is "op$". In that case, the | |
2533 | format is "op$::XXXX." where XXXX is the name. This is | |
2534 | used for names like "+" or "=". YUUUUUUUK! FIXME! */ | |
2535 | *pp = p + 2; | |
2536 | for (p = *pp; *p != '.' && *p != '\0'; p++) | |
2537 | ; | |
2538 | if (*p != '.') | |
2539 | { | |
2540 | bad_stab (orig); | |
b34976b6 | 2541 | return FALSE; |
252b5132 RH |
2542 | } |
2543 | name = savestring (*pp, p - *pp); | |
2544 | *pp = p + 1; | |
2545 | } | |
2546 | ||
2547 | allocvars = 10; | |
2548 | variants = ((debug_method_variant *) | |
2549 | xmalloc (allocvars * sizeof *variants)); | |
2550 | cvars = 0; | |
2551 | ||
2552 | look_ahead_type = DEBUG_TYPE_NULL; | |
2553 | ||
2554 | do | |
2555 | { | |
2556 | debug_type type; | |
b34976b6 | 2557 | bfd_boolean stub; |
252b5132 RH |
2558 | char *argtypes; |
2559 | enum debug_visibility visibility; | |
b34976b6 | 2560 | bfd_boolean constp, volatilep, staticp; |
252b5132 RH |
2561 | bfd_vma voffset; |
2562 | debug_type context; | |
2563 | const char *physname; | |
b34976b6 | 2564 | bfd_boolean varargs; |
252b5132 RH |
2565 | |
2566 | if (look_ahead_type != DEBUG_TYPE_NULL) | |
2567 | { | |
2568 | /* g++ version 1 kludge */ | |
2569 | type = look_ahead_type; | |
2570 | look_ahead_type = DEBUG_TYPE_NULL; | |
2571 | } | |
2572 | else | |
2573 | { | |
2574 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2575 | (debug_type **) NULL); | |
2576 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 2577 | return FALSE; |
252b5132 RH |
2578 | if (**pp != ':') |
2579 | { | |
2580 | bad_stab (orig); | |
b34976b6 | 2581 | return FALSE; |
252b5132 RH |
2582 | } |
2583 | } | |
2584 | ||
2585 | ++*pp; | |
2586 | p = strchr (*pp, ';'); | |
2587 | if (p == NULL) | |
2588 | { | |
2589 | bad_stab (orig); | |
b34976b6 | 2590 | return FALSE; |
252b5132 RH |
2591 | } |
2592 | ||
b34976b6 | 2593 | stub = FALSE; |
252b5132 RH |
2594 | if (debug_get_type_kind (dhandle, type) == DEBUG_KIND_METHOD |
2595 | && debug_get_parameter_types (dhandle, type, &varargs) == NULL) | |
b34976b6 | 2596 | stub = TRUE; |
252b5132 RH |
2597 | |
2598 | argtypes = savestring (*pp, p - *pp); | |
2599 | *pp = p + 1; | |
2600 | ||
2601 | switch (**pp) | |
2602 | { | |
2603 | case '0': | |
2604 | visibility = DEBUG_VISIBILITY_PRIVATE; | |
2605 | break; | |
2606 | case '1': | |
2607 | visibility = DEBUG_VISIBILITY_PROTECTED; | |
2608 | break; | |
2609 | default: | |
2610 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2611 | break; | |
2612 | } | |
2613 | ++*pp; | |
2614 | ||
b34976b6 AM |
2615 | constp = FALSE; |
2616 | volatilep = FALSE; | |
252b5132 RH |
2617 | switch (**pp) |
2618 | { | |
2619 | case 'A': | |
2620 | /* Normal function. */ | |
2621 | ++*pp; | |
2622 | break; | |
2623 | case 'B': | |
2624 | /* const member function. */ | |
b34976b6 | 2625 | constp = TRUE; |
252b5132 RH |
2626 | ++*pp; |
2627 | break; | |
2628 | case 'C': | |
2629 | /* volatile member function. */ | |
b34976b6 | 2630 | volatilep = TRUE; |
252b5132 RH |
2631 | ++*pp; |
2632 | break; | |
2633 | case 'D': | |
2634 | /* const volatile member function. */ | |
b34976b6 AM |
2635 | constp = TRUE; |
2636 | volatilep = TRUE; | |
252b5132 RH |
2637 | ++*pp; |
2638 | break; | |
2639 | case '*': | |
2640 | case '?': | |
2641 | case '.': | |
2642 | /* File compiled with g++ version 1; no information. */ | |
2643 | break; | |
2644 | default: | |
2645 | warn_stab (orig, _("const/volatile indicator missing")); | |
2646 | break; | |
2647 | } | |
2648 | ||
b34976b6 | 2649 | staticp = FALSE; |
252b5132 RH |
2650 | switch (**pp) |
2651 | { | |
2652 | case '*': | |
2653 | /* virtual member function, followed by index. The sign | |
2654 | bit is supposedly set to distinguish | |
2655 | pointers-to-methods from virtual function indicies. */ | |
2656 | ++*pp; | |
b34976b6 | 2657 | voffset = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2658 | if (**pp != ';') |
2659 | { | |
2660 | bad_stab (orig); | |
b34976b6 | 2661 | return FALSE; |
252b5132 RH |
2662 | } |
2663 | ++*pp; | |
2664 | voffset &= 0x7fffffff; | |
2665 | ||
2666 | if (**pp == ';' || *pp == '\0') | |
2667 | { | |
2668 | /* Must be g++ version 1. */ | |
2669 | context = DEBUG_TYPE_NULL; | |
2670 | } | |
2671 | else | |
2672 | { | |
2673 | /* Figure out from whence this virtual function | |
2674 | came. It may belong to virtual function table of | |
2675 | one of its baseclasses. */ | |
9f66665a KH |
2676 | look_ahead_type = parse_stab_type (dhandle, info, |
2677 | (const char *) NULL, | |
2678 | pp, | |
2679 | (debug_type **) NULL); | |
2680 | if (**pp == ':') | |
2681 | { | |
2682 | /* g++ version 1 overloaded methods. */ | |
2683 | context = DEBUG_TYPE_NULL; | |
2684 | } | |
2685 | else | |
2686 | { | |
2687 | context = look_ahead_type; | |
2688 | look_ahead_type = DEBUG_TYPE_NULL; | |
2689 | if (**pp != ';') | |
2690 | { | |
2691 | bad_stab (orig); | |
b34976b6 | 2692 | return FALSE; |
9f66665a KH |
2693 | } |
2694 | ++*pp; | |
2695 | } | |
2696 | } | |
252b5132 RH |
2697 | break; |
2698 | ||
2699 | case '?': | |
2700 | /* static member function. */ | |
2701 | ++*pp; | |
b34976b6 | 2702 | staticp = TRUE; |
252b5132 RH |
2703 | voffset = 0; |
2704 | context = DEBUG_TYPE_NULL; | |
2705 | if (strncmp (argtypes, name, strlen (name)) != 0) | |
b34976b6 | 2706 | stub = TRUE; |
252b5132 RH |
2707 | break; |
2708 | ||
2709 | default: | |
2710 | warn_stab (orig, "member function type missing"); | |
2711 | voffset = 0; | |
2712 | context = DEBUG_TYPE_NULL; | |
2713 | break; | |
2714 | ||
2715 | case '.': | |
2716 | ++*pp; | |
2717 | voffset = 0; | |
2718 | context = DEBUG_TYPE_NULL; | |
2719 | break; | |
2720 | } | |
2721 | ||
2722 | /* If the type is not a stub, then the argtypes string is | |
2723 | the physical name of the function. Otherwise the | |
2724 | argtypes string is the mangled form of the argument | |
2725 | types, and the full type and the physical name must be | |
2726 | extracted from them. */ | |
2727 | if (! stub) | |
2728 | physname = argtypes; | |
2729 | else | |
2730 | { | |
2731 | debug_type class_type, return_type; | |
2732 | ||
2733 | class_type = stab_find_type (dhandle, info, typenums); | |
2734 | if (class_type == DEBUG_TYPE_NULL) | |
b34976b6 | 2735 | return FALSE; |
252b5132 RH |
2736 | return_type = debug_get_return_type (dhandle, type); |
2737 | if (return_type == DEBUG_TYPE_NULL) | |
2738 | { | |
2739 | bad_stab (orig); | |
b34976b6 | 2740 | return FALSE; |
252b5132 RH |
2741 | } |
2742 | type = parse_stab_argtypes (dhandle, info, class_type, name, | |
2743 | tagname, return_type, argtypes, | |
2744 | constp, volatilep, &physname); | |
2745 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 2746 | return FALSE; |
252b5132 RH |
2747 | } |
2748 | ||
2749 | if (cvars + 1 >= allocvars) | |
2750 | { | |
2751 | allocvars += 10; | |
2752 | variants = ((debug_method_variant *) | |
2da42df6 | 2753 | xrealloc (variants, |
252b5132 RH |
2754 | allocvars * sizeof *variants)); |
2755 | } | |
2756 | ||
2757 | if (! staticp) | |
2758 | variants[cvars] = debug_make_method_variant (dhandle, physname, | |
2759 | type, visibility, | |
2760 | constp, volatilep, | |
2761 | voffset, context); | |
2762 | else | |
2763 | variants[cvars] = debug_make_static_method_variant (dhandle, | |
2764 | physname, | |
2765 | type, | |
2766 | visibility, | |
2767 | constp, | |
2768 | volatilep); | |
2769 | if (variants[cvars] == DEBUG_METHOD_VARIANT_NULL) | |
b34976b6 | 2770 | return FALSE; |
252b5132 RH |
2771 | |
2772 | ++cvars; | |
2773 | } | |
2774 | while (**pp != ';' && **pp != '\0'); | |
2775 | ||
2776 | variants[cvars] = DEBUG_METHOD_VARIANT_NULL; | |
2777 | ||
2778 | if (**pp != '\0') | |
2779 | ++*pp; | |
2780 | ||
2781 | if (c + 1 >= alloc) | |
2782 | { | |
2783 | alloc += 10; | |
2784 | methods = ((debug_method *) | |
2da42df6 | 2785 | xrealloc (methods, alloc * sizeof *methods)); |
252b5132 RH |
2786 | } |
2787 | ||
2788 | methods[c] = debug_make_method (dhandle, name, variants); | |
2789 | ||
2790 | ++c; | |
2791 | } | |
2792 | ||
2793 | if (methods != NULL) | |
2794 | methods[c] = DEBUG_METHOD_NULL; | |
2795 | ||
2796 | *retp = methods; | |
2797 | ||
b34976b6 | 2798 | return TRUE; |
252b5132 RH |
2799 | } |
2800 | ||
2801 | /* Parse a string representing argument types for a method. Stabs | |
2802 | tries to save space by packing argument types into a mangled | |
2803 | string. This string should give us enough information to extract | |
2804 | both argument types and the physical name of the function, given | |
2805 | the tag name. */ | |
2806 | ||
2807 | static debug_type | |
2da42df6 AJ |
2808 | parse_stab_argtypes (void *dhandle, struct stab_handle *info, |
2809 | debug_type class_type, const char *fieldname, | |
2810 | const char *tagname, debug_type return_type, | |
2811 | const char *argtypes, bfd_boolean constp, | |
2812 | bfd_boolean volatilep, const char **pphysname) | |
252b5132 | 2813 | { |
b34976b6 AM |
2814 | bfd_boolean is_full_physname_constructor; |
2815 | bfd_boolean is_constructor; | |
2816 | bfd_boolean is_destructor; | |
252b5132 | 2817 | debug_type *args; |
b34976b6 | 2818 | bfd_boolean varargs; |
4b73ca92 | 2819 | unsigned int physname_len = 0; |
252b5132 RH |
2820 | |
2821 | /* Constructors are sometimes handled specially. */ | |
2822 | is_full_physname_constructor = ((argtypes[0] == '_' | |
2823 | && argtypes[1] == '_' | |
3882b010 | 2824 | && (ISDIGIT (argtypes[2]) |
252b5132 RH |
2825 | || argtypes[2] == 'Q' |
2826 | || argtypes[2] == 't')) | |
2827 | || strncmp (argtypes, "__ct", 4) == 0); | |
2828 | ||
2829 | is_constructor = (is_full_physname_constructor | |
2830 | || (tagname != NULL | |
2831 | && strcmp (fieldname, tagname) == 0)); | |
2832 | is_destructor = ((argtypes[0] == '_' | |
2833 | && (argtypes[1] == '$' || argtypes[1] == '.') | |
2834 | && argtypes[2] == '_') | |
2835 | || strncmp (argtypes, "__dt", 4) == 0); | |
2836 | ||
2837 | if (is_destructor || is_full_physname_constructor) | |
2838 | *pphysname = argtypes; | |
2839 | else | |
2840 | { | |
2841 | unsigned int len; | |
2842 | const char *const_prefix; | |
2843 | const char *volatile_prefix; | |
2844 | char buf[20]; | |
2845 | unsigned int mangled_name_len; | |
2846 | char *physname; | |
2847 | ||
2848 | len = tagname == NULL ? 0 : strlen (tagname); | |
2849 | const_prefix = constp ? "C" : ""; | |
2850 | volatile_prefix = volatilep ? "V" : ""; | |
2851 | ||
2852 | if (len == 0) | |
2853 | sprintf (buf, "__%s%s", const_prefix, volatile_prefix); | |
2854 | else if (tagname != NULL && strchr (tagname, '<') != NULL) | |
2855 | { | |
2856 | /* Template methods are fully mangled. */ | |
2857 | sprintf (buf, "__%s%s", const_prefix, volatile_prefix); | |
2858 | tagname = NULL; | |
2859 | len = 0; | |
2860 | } | |
2861 | else | |
2862 | sprintf (buf, "__%s%s%d", const_prefix, volatile_prefix, len); | |
2863 | ||
2864 | mangled_name_len = ((is_constructor ? 0 : strlen (fieldname)) | |
2865 | + strlen (buf) | |
2866 | + len | |
2867 | + strlen (argtypes) | |
2868 | + 1); | |
2869 | ||
2870 | if (fieldname[0] == 'o' | |
2871 | && fieldname[1] == 'p' | |
2872 | && (fieldname[2] == '$' || fieldname[2] == '.')) | |
2873 | { | |
2874 | const char *opname; | |
2875 | ||
2876 | opname = cplus_mangle_opname (fieldname + 3, 0); | |
2877 | if (opname == NULL) | |
2878 | { | |
2879 | fprintf (stderr, _("No mangling for \"%s\"\n"), fieldname); | |
2880 | return DEBUG_TYPE_NULL; | |
2881 | } | |
2882 | mangled_name_len += strlen (opname); | |
2883 | physname = (char *) xmalloc (mangled_name_len); | |
2884 | strncpy (physname, fieldname, 3); | |
2885 | strcpy (physname + 3, opname); | |
2886 | } | |
2887 | else | |
2888 | { | |
2889 | physname = (char *) xmalloc (mangled_name_len); | |
2890 | if (is_constructor) | |
2891 | physname[0] = '\0'; | |
2892 | else | |
2893 | strcpy (physname, fieldname); | |
2894 | } | |
2895 | ||
4b73ca92 | 2896 | physname_len = strlen (physname); |
252b5132 RH |
2897 | strcat (physname, buf); |
2898 | if (tagname != NULL) | |
2899 | strcat (physname, tagname); | |
2900 | strcat (physname, argtypes); | |
2901 | ||
2902 | *pphysname = physname; | |
2903 | } | |
2904 | ||
2905 | if (*argtypes == '\0' || is_destructor) | |
2906 | { | |
2907 | args = (debug_type *) xmalloc (sizeof *args); | |
2908 | *args = NULL; | |
2909 | return debug_make_method_type (dhandle, return_type, class_type, args, | |
b34976b6 | 2910 | FALSE); |
252b5132 RH |
2911 | } |
2912 | ||
4b73ca92 | 2913 | args = stab_demangle_argtypes (dhandle, info, *pphysname, &varargs, physname_len); |
252b5132 RH |
2914 | if (args == NULL) |
2915 | return DEBUG_TYPE_NULL; | |
2916 | ||
2917 | return debug_make_method_type (dhandle, return_type, class_type, args, | |
2918 | varargs); | |
2919 | } | |
2920 | ||
2921 | /* The tail end of stabs for C++ classes that contain a virtual function | |
2922 | pointer contains a tilde, a %, and a type number. | |
2923 | The type number refers to the base class (possibly this class itself) which | |
2924 | contains the vtable pointer for the current class. | |
2925 | ||
2926 | This function is called when we have parsed all the method declarations, | |
2927 | so we can look for the vptr base class info. */ | |
2928 | ||
b34976b6 | 2929 | static bfd_boolean |
2da42df6 AJ |
2930 | parse_stab_tilde_field (void *dhandle, struct stab_handle *info, |
2931 | const char **pp, const int *typenums, | |
2932 | debug_type *retvptrbase, bfd_boolean *retownvptr) | |
252b5132 RH |
2933 | { |
2934 | const char *orig; | |
2935 | const char *hold; | |
2936 | int vtypenums[2]; | |
2937 | ||
2938 | *retvptrbase = DEBUG_TYPE_NULL; | |
b34976b6 | 2939 | *retownvptr = FALSE; |
252b5132 RH |
2940 | |
2941 | orig = *pp; | |
2942 | ||
9f66665a | 2943 | /* If we are positioned at a ';', then skip it. */ |
252b5132 RH |
2944 | if (**pp == ';') |
2945 | ++*pp; | |
2946 | ||
2947 | if (**pp != '~') | |
b34976b6 | 2948 | return TRUE; |
252b5132 RH |
2949 | |
2950 | ++*pp; | |
2951 | ||
2952 | if (**pp == '=' || **pp == '+' || **pp == '-') | |
2953 | { | |
2954 | /* Obsolete flags that used to indicate the presence of | |
9f66665a | 2955 | constructors and/or destructors. */ |
252b5132 RH |
2956 | ++*pp; |
2957 | } | |
2958 | ||
2959 | if (**pp != '%') | |
b34976b6 | 2960 | return TRUE; |
252b5132 RH |
2961 | |
2962 | ++*pp; | |
2963 | ||
2964 | hold = *pp; | |
2965 | ||
2966 | /* The next number is the type number of the base class (possibly | |
2967 | our own class) which supplies the vtable for this class. */ | |
2968 | if (! parse_stab_type_number (pp, vtypenums)) | |
b34976b6 | 2969 | return FALSE; |
252b5132 RH |
2970 | |
2971 | if (vtypenums[0] == typenums[0] | |
2972 | && vtypenums[1] == typenums[1]) | |
b34976b6 | 2973 | *retownvptr = TRUE; |
252b5132 RH |
2974 | else |
2975 | { | |
2976 | debug_type vtype; | |
2977 | const char *p; | |
2978 | ||
2979 | *pp = hold; | |
2980 | ||
2981 | vtype = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2982 | (debug_type **) NULL); | |
2983 | for (p = *pp; *p != ';' && *p != '\0'; p++) | |
2984 | ; | |
2985 | if (*p != ';') | |
2986 | { | |
2987 | bad_stab (orig); | |
b34976b6 | 2988 | return FALSE; |
252b5132 RH |
2989 | } |
2990 | ||
2991 | *retvptrbase = vtype; | |
2992 | ||
2993 | *pp = p + 1; | |
2994 | } | |
2995 | ||
b34976b6 | 2996 | return TRUE; |
252b5132 RH |
2997 | } |
2998 | ||
2999 | /* Read a definition of an array type. */ | |
3000 | ||
3001 | static debug_type | |
2da42df6 AJ |
3002 | parse_stab_array_type (void *dhandle, struct stab_handle *info, |
3003 | const char **pp, bfd_boolean stringp) | |
252b5132 RH |
3004 | { |
3005 | const char *orig; | |
3006 | const char *p; | |
3007 | int typenums[2]; | |
3008 | debug_type index_type; | |
b34976b6 | 3009 | bfd_boolean adjustable; |
252b5132 RH |
3010 | bfd_signed_vma lower, upper; |
3011 | debug_type element_type; | |
3012 | ||
3013 | /* Format of an array type: | |
3014 | "ar<index type>;lower;upper;<array_contents_type>". | |
3015 | OS9000: "arlower,upper;<array_contents_type>". | |
3016 | ||
3017 | Fortran adjustable arrays use Adigits or Tdigits for lower or upper; | |
3018 | for these, produce a type like float[][]. */ | |
3019 | ||
3020 | orig = *pp; | |
3021 | ||
3022 | /* FIXME: gdb checks os9k_stabs here. */ | |
3023 | ||
3024 | /* If the index type is type 0, we take it as int. */ | |
3025 | p = *pp; | |
3026 | if (! parse_stab_type_number (&p, typenums)) | |
3dceb55b | 3027 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3028 | if (typenums[0] == 0 && typenums[1] == 0 && **pp != '=') |
3029 | { | |
3030 | index_type = debug_find_named_type (dhandle, "int"); | |
3031 | if (index_type == DEBUG_TYPE_NULL) | |
3032 | { | |
b34976b6 | 3033 | index_type = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 | 3034 | if (index_type == DEBUG_TYPE_NULL) |
3dceb55b | 3035 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3036 | } |
3037 | *pp = p; | |
3038 | } | |
3039 | else | |
3040 | { | |
3041 | index_type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
3042 | (debug_type **) NULL); | |
3043 | } | |
3044 | ||
3045 | if (**pp != ';') | |
3046 | { | |
3047 | bad_stab (orig); | |
3048 | return DEBUG_TYPE_NULL; | |
3049 | } | |
3050 | ++*pp; | |
3051 | ||
b34976b6 | 3052 | adjustable = FALSE; |
252b5132 | 3053 | |
3882b010 | 3054 | if (! ISDIGIT (**pp) && **pp != '-') |
252b5132 RH |
3055 | { |
3056 | ++*pp; | |
b34976b6 | 3057 | adjustable = TRUE; |
252b5132 RH |
3058 | } |
3059 | ||
b34976b6 | 3060 | lower = (bfd_signed_vma) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
3061 | if (**pp != ';') |
3062 | { | |
3063 | bad_stab (orig); | |
3dceb55b | 3064 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3065 | } |
3066 | ++*pp; | |
3067 | ||
3882b010 | 3068 | if (! ISDIGIT (**pp) && **pp != '-') |
252b5132 RH |
3069 | { |
3070 | ++*pp; | |
b34976b6 | 3071 | adjustable = TRUE; |
252b5132 RH |
3072 | } |
3073 | ||
b34976b6 | 3074 | upper = (bfd_signed_vma) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
3075 | if (**pp != ';') |
3076 | { | |
3077 | bad_stab (orig); | |
3dceb55b | 3078 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3079 | } |
3080 | ++*pp; | |
3081 | ||
3082 | element_type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
3083 | (debug_type **) NULL); | |
3084 | if (element_type == DEBUG_TYPE_NULL) | |
3dceb55b | 3085 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3086 | |
3087 | if (adjustable) | |
3088 | { | |
3089 | lower = 0; | |
3090 | upper = -1; | |
3091 | } | |
3092 | ||
3093 | return debug_make_array_type (dhandle, element_type, index_type, lower, | |
3094 | upper, stringp); | |
3095 | } | |
3096 | ||
3097 | /* This struct holds information about files we have seen using | |
3098 | N_BINCL. */ | |
3099 | ||
3100 | struct bincl_file | |
3101 | { | |
3102 | /* The next N_BINCL file. */ | |
3103 | struct bincl_file *next; | |
3104 | /* The next N_BINCL on the stack. */ | |
3105 | struct bincl_file *next_stack; | |
3106 | /* The file name. */ | |
3107 | const char *name; | |
3108 | /* The hash value. */ | |
3109 | bfd_vma hash; | |
3110 | /* The file index. */ | |
3111 | unsigned int file; | |
3112 | /* The list of types defined in this file. */ | |
3113 | struct stab_types *file_types; | |
3114 | }; | |
3115 | ||
3116 | /* Start a new N_BINCL file, pushing it onto the stack. */ | |
3117 | ||
3118 | static void | |
2da42df6 | 3119 | push_bincl (struct stab_handle *info, const char *name, bfd_vma hash) |
252b5132 RH |
3120 | { |
3121 | struct bincl_file *n; | |
3122 | ||
3123 | n = (struct bincl_file *) xmalloc (sizeof *n); | |
3124 | n->next = info->bincl_list; | |
3125 | n->next_stack = info->bincl_stack; | |
3126 | n->name = name; | |
3127 | n->hash = hash; | |
3128 | n->file = info->files; | |
3129 | n->file_types = NULL; | |
3130 | info->bincl_list = n; | |
3131 | info->bincl_stack = n; | |
3132 | ||
3133 | ++info->files; | |
3134 | info->file_types = ((struct stab_types **) | |
2da42df6 | 3135 | xrealloc (info->file_types, |
252b5132 RH |
3136 | (info->files |
3137 | * sizeof *info->file_types))); | |
3138 | info->file_types[n->file] = NULL; | |
3139 | } | |
3140 | ||
3141 | /* Finish an N_BINCL file, at an N_EINCL, popping the name off the | |
3142 | stack. */ | |
3143 | ||
3144 | static const char * | |
2da42df6 | 3145 | pop_bincl (struct stab_handle *info) |
252b5132 RH |
3146 | { |
3147 | struct bincl_file *o; | |
3148 | ||
3149 | o = info->bincl_stack; | |
3150 | if (o == NULL) | |
3151 | return info->main_filename; | |
3152 | info->bincl_stack = o->next_stack; | |
3153 | ||
3154 | o->file_types = info->file_types[o->file]; | |
3155 | ||
3156 | if (info->bincl_stack == NULL) | |
3157 | return info->main_filename; | |
3158 | return info->bincl_stack->name; | |
3159 | } | |
3160 | ||
3161 | /* Handle an N_EXCL: get the types from the corresponding N_BINCL. */ | |
3162 | ||
b34976b6 | 3163 | static bfd_boolean |
2da42df6 | 3164 | find_excl (struct stab_handle *info, const char *name, bfd_vma hash) |
252b5132 RH |
3165 | { |
3166 | struct bincl_file *l; | |
3167 | ||
3168 | ++info->files; | |
3169 | info->file_types = ((struct stab_types **) | |
2da42df6 | 3170 | xrealloc (info->file_types, |
252b5132 RH |
3171 | (info->files |
3172 | * sizeof *info->file_types))); | |
3173 | ||
3174 | for (l = info->bincl_list; l != NULL; l = l->next) | |
3175 | if (l->hash == hash && strcmp (l->name, name) == 0) | |
3176 | break; | |
3177 | if (l == NULL) | |
3178 | { | |
3179 | warn_stab (name, _("Undefined N_EXCL")); | |
3180 | info->file_types[info->files - 1] = NULL; | |
b34976b6 | 3181 | return TRUE; |
252b5132 RH |
3182 | } |
3183 | ||
3184 | info->file_types[info->files - 1] = l->file_types; | |
3185 | ||
b34976b6 | 3186 | return TRUE; |
252b5132 RH |
3187 | } |
3188 | ||
3189 | /* Handle a variable definition. gcc emits variable definitions for a | |
3190 | block before the N_LBRAC, so we must hold onto them until we see | |
3191 | it. The SunPRO compiler emits variable definitions after the | |
3192 | N_LBRAC, so we can call debug_record_variable immediately. */ | |
3193 | ||
b34976b6 | 3194 | static bfd_boolean |
2da42df6 AJ |
3195 | stab_record_variable (void *dhandle, struct stab_handle *info, |
3196 | const char *name, debug_type type, | |
3197 | enum debug_var_kind kind, bfd_vma val) | |
252b5132 RH |
3198 | { |
3199 | struct stab_pending_var *v; | |
3200 | ||
3201 | if ((kind == DEBUG_GLOBAL || kind == DEBUG_STATIC) | |
3202 | || ! info->within_function | |
3203 | || (info->gcc_compiled == 0 && info->n_opt_found)) | |
3204 | return debug_record_variable (dhandle, name, type, kind, val); | |
3205 | ||
3206 | v = (struct stab_pending_var *) xmalloc (sizeof *v); | |
3207 | memset (v, 0, sizeof *v); | |
3208 | ||
3209 | v->next = info->pending; | |
3210 | v->name = name; | |
3211 | v->type = type; | |
3212 | v->kind = kind; | |
3213 | v->val = val; | |
3214 | info->pending = v; | |
3215 | ||
b34976b6 | 3216 | return TRUE; |
252b5132 RH |
3217 | } |
3218 | ||
3219 | /* Emit pending variable definitions. This is called after we see the | |
3220 | N_LBRAC that starts the block. */ | |
3221 | ||
b34976b6 | 3222 | static bfd_boolean |
2da42df6 | 3223 | stab_emit_pending_vars (void *dhandle, struct stab_handle *info) |
252b5132 RH |
3224 | { |
3225 | struct stab_pending_var *v; | |
3226 | ||
3227 | v = info->pending; | |
3228 | while (v != NULL) | |
3229 | { | |
3230 | struct stab_pending_var *next; | |
3231 | ||
3232 | if (! debug_record_variable (dhandle, v->name, v->type, v->kind, v->val)) | |
b34976b6 | 3233 | return FALSE; |
252b5132 RH |
3234 | |
3235 | next = v->next; | |
3236 | free (v); | |
3237 | v = next; | |
3238 | } | |
3239 | ||
3240 | info->pending = NULL; | |
3241 | ||
b34976b6 | 3242 | return TRUE; |
252b5132 RH |
3243 | } |
3244 | ||
3245 | /* Find the slot for a type in the database. */ | |
3246 | ||
3247 | static debug_type * | |
2da42df6 | 3248 | stab_find_slot (struct stab_handle *info, const int *typenums) |
252b5132 RH |
3249 | { |
3250 | int filenum; | |
3251 | int index; | |
3252 | struct stab_types **ps; | |
3253 | ||
3254 | filenum = typenums[0]; | |
3255 | index = typenums[1]; | |
3256 | ||
3257 | if (filenum < 0 || (unsigned int) filenum >= info->files) | |
3258 | { | |
3259 | fprintf (stderr, _("Type file number %d out of range\n"), filenum); | |
3260 | return NULL; | |
3261 | } | |
3262 | if (index < 0) | |
3263 | { | |
3264 | fprintf (stderr, _("Type index number %d out of range\n"), index); | |
3265 | return NULL; | |
3266 | } | |
3267 | ||
3268 | ps = info->file_types + filenum; | |
3269 | ||
3270 | while (index >= STAB_TYPES_SLOTS) | |
3271 | { | |
3272 | if (*ps == NULL) | |
3273 | { | |
3274 | *ps = (struct stab_types *) xmalloc (sizeof **ps); | |
3275 | memset (*ps, 0, sizeof **ps); | |
3276 | } | |
3277 | ps = &(*ps)->next; | |
3278 | index -= STAB_TYPES_SLOTS; | |
3279 | } | |
3280 | if (*ps == NULL) | |
3281 | { | |
3282 | *ps = (struct stab_types *) xmalloc (sizeof **ps); | |
3283 | memset (*ps, 0, sizeof **ps); | |
3284 | } | |
3285 | ||
3286 | return (*ps)->types + index; | |
3287 | } | |
3288 | ||
3289 | /* Find a type given a type number. If the type has not been | |
3290 | allocated yet, create an indirect type. */ | |
3291 | ||
3292 | static debug_type | |
2da42df6 | 3293 | stab_find_type (void *dhandle, struct stab_handle *info, const int *typenums) |
252b5132 RH |
3294 | { |
3295 | debug_type *slot; | |
3296 | ||
3297 | if (typenums[0] == 0 && typenums[1] < 0) | |
3298 | { | |
3299 | /* A negative type number indicates an XCOFF builtin type. */ | |
3300 | return stab_xcoff_builtin_type (dhandle, info, typenums[1]); | |
3301 | } | |
3302 | ||
3303 | slot = stab_find_slot (info, typenums); | |
3304 | if (slot == NULL) | |
3305 | return DEBUG_TYPE_NULL; | |
3306 | ||
3307 | if (*slot == DEBUG_TYPE_NULL) | |
3308 | return debug_make_indirect_type (dhandle, slot, (const char *) NULL); | |
3309 | ||
3310 | return *slot; | |
3311 | } | |
3312 | ||
3313 | /* Record that a given type number refers to a given type. */ | |
3314 | ||
b34976b6 | 3315 | static bfd_boolean |
2da42df6 AJ |
3316 | stab_record_type (void *dhandle ATTRIBUTE_UNUSED, struct stab_handle *info, |
3317 | const int *typenums, debug_type type) | |
252b5132 RH |
3318 | { |
3319 | debug_type *slot; | |
3320 | ||
3321 | slot = stab_find_slot (info, typenums); | |
3322 | if (slot == NULL) | |
b34976b6 | 3323 | return FALSE; |
252b5132 RH |
3324 | |
3325 | /* gdb appears to ignore type redefinitions, so we do as well. */ | |
3326 | ||
3327 | *slot = type; | |
3328 | ||
b34976b6 | 3329 | return TRUE; |
252b5132 RH |
3330 | } |
3331 | ||
3332 | /* Return an XCOFF builtin type. */ | |
3333 | ||
3334 | static debug_type | |
2da42df6 AJ |
3335 | stab_xcoff_builtin_type (void *dhandle, struct stab_handle *info, |
3336 | int typenum) | |
252b5132 RH |
3337 | { |
3338 | debug_type rettype; | |
3339 | const char *name; | |
3340 | ||
3341 | if (typenum >= 0 || typenum < -XCOFF_TYPE_COUNT) | |
3342 | { | |
3343 | fprintf (stderr, _("Unrecognized XCOFF type %d\n"), typenum); | |
3344 | return DEBUG_TYPE_NULL; | |
3345 | } | |
3346 | if (info->xcoff_types[-typenum] != NULL) | |
3347 | return info->xcoff_types[-typenum]; | |
3348 | ||
3349 | switch (-typenum) | |
3350 | { | |
3351 | case 1: | |
3352 | /* The size of this and all the other types are fixed, defined | |
3353 | by the debugging format. */ | |
3354 | name = "int"; | |
b34976b6 | 3355 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3356 | break; |
3357 | case 2: | |
3358 | name = "char"; | |
b34976b6 | 3359 | rettype = debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
3360 | break; |
3361 | case 3: | |
3362 | name = "short"; | |
b34976b6 | 3363 | rettype = debug_make_int_type (dhandle, 2, FALSE); |
252b5132 RH |
3364 | break; |
3365 | case 4: | |
3366 | name = "long"; | |
b34976b6 | 3367 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3368 | break; |
3369 | case 5: | |
3370 | name = "unsigned char"; | |
b34976b6 | 3371 | rettype = debug_make_int_type (dhandle, 1, TRUE); |
252b5132 RH |
3372 | break; |
3373 | case 6: | |
3374 | name = "signed char"; | |
b34976b6 | 3375 | rettype = debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
3376 | break; |
3377 | case 7: | |
3378 | name = "unsigned short"; | |
b34976b6 | 3379 | rettype = debug_make_int_type (dhandle, 2, TRUE); |
252b5132 RH |
3380 | break; |
3381 | case 8: | |
3382 | name = "unsigned int"; | |
b34976b6 | 3383 | rettype = debug_make_int_type (dhandle, 4, TRUE); |
252b5132 RH |
3384 | break; |
3385 | case 9: | |
3386 | name = "unsigned"; | |
b34976b6 | 3387 | rettype = debug_make_int_type (dhandle, 4, TRUE); |
252b5132 RH |
3388 | case 10: |
3389 | name = "unsigned long"; | |
b34976b6 | 3390 | rettype = debug_make_int_type (dhandle, 4, TRUE); |
252b5132 RH |
3391 | break; |
3392 | case 11: | |
3393 | name = "void"; | |
3394 | rettype = debug_make_void_type (dhandle); | |
3395 | break; | |
3396 | case 12: | |
3397 | /* IEEE single precision (32 bit). */ | |
3398 | name = "float"; | |
3399 | rettype = debug_make_float_type (dhandle, 4); | |
3400 | break; | |
3401 | case 13: | |
3402 | /* IEEE double precision (64 bit). */ | |
3403 | name = "double"; | |
3404 | rettype = debug_make_float_type (dhandle, 8); | |
3405 | break; | |
3406 | case 14: | |
3407 | /* This is an IEEE double on the RS/6000, and different machines | |
3408 | with different sizes for "long double" should use different | |
3409 | negative type numbers. See stabs.texinfo. */ | |
3410 | name = "long double"; | |
3411 | rettype = debug_make_float_type (dhandle, 8); | |
3412 | break; | |
3413 | case 15: | |
3414 | name = "integer"; | |
b34976b6 | 3415 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3416 | break; |
3417 | case 16: | |
3418 | name = "boolean"; | |
3419 | rettype = debug_make_bool_type (dhandle, 4); | |
3420 | break; | |
3421 | case 17: | |
3422 | name = "short real"; | |
3423 | rettype = debug_make_float_type (dhandle, 4); | |
3424 | break; | |
3425 | case 18: | |
3426 | name = "real"; | |
3427 | rettype = debug_make_float_type (dhandle, 8); | |
3428 | break; | |
3429 | case 19: | |
3430 | /* FIXME */ | |
3431 | name = "stringptr"; | |
3432 | rettype = NULL; | |
3433 | break; | |
3434 | case 20: | |
3435 | /* FIXME */ | |
3436 | name = "character"; | |
b34976b6 | 3437 | rettype = debug_make_int_type (dhandle, 1, TRUE); |
252b5132 RH |
3438 | break; |
3439 | case 21: | |
3440 | name = "logical*1"; | |
3441 | rettype = debug_make_bool_type (dhandle, 1); | |
3442 | break; | |
3443 | case 22: | |
3444 | name = "logical*2"; | |
3445 | rettype = debug_make_bool_type (dhandle, 2); | |
3446 | break; | |
3447 | case 23: | |
3448 | name = "logical*4"; | |
3449 | rettype = debug_make_bool_type (dhandle, 4); | |
3450 | break; | |
3451 | case 24: | |
3452 | name = "logical"; | |
3453 | rettype = debug_make_bool_type (dhandle, 4); | |
3454 | break; | |
3455 | case 25: | |
3456 | /* Complex type consisting of two IEEE single precision values. */ | |
3457 | name = "complex"; | |
3458 | rettype = debug_make_complex_type (dhandle, 8); | |
3459 | break; | |
3460 | case 26: | |
3461 | /* Complex type consisting of two IEEE double precision values. */ | |
3462 | name = "double complex"; | |
3463 | rettype = debug_make_complex_type (dhandle, 16); | |
3464 | break; | |
3465 | case 27: | |
3466 | name = "integer*1"; | |
b34976b6 | 3467 | rettype = debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
3468 | break; |
3469 | case 28: | |
3470 | name = "integer*2"; | |
b34976b6 | 3471 | rettype = debug_make_int_type (dhandle, 2, FALSE); |
252b5132 RH |
3472 | break; |
3473 | case 29: | |
3474 | name = "integer*4"; | |
b34976b6 | 3475 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3476 | break; |
3477 | case 30: | |
3478 | /* FIXME */ | |
3479 | name = "wchar"; | |
b34976b6 | 3480 | rettype = debug_make_int_type (dhandle, 2, FALSE); |
252b5132 RH |
3481 | break; |
3482 | case 31: | |
3483 | name = "long long"; | |
b34976b6 | 3484 | rettype = debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
3485 | break; |
3486 | case 32: | |
3487 | name = "unsigned long long"; | |
b34976b6 | 3488 | rettype = debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
3489 | break; |
3490 | case 33: | |
3491 | name = "logical*8"; | |
3492 | rettype = debug_make_bool_type (dhandle, 8); | |
3493 | break; | |
3494 | case 34: | |
3495 | name = "integer*8"; | |
b34976b6 | 3496 | rettype = debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
3497 | break; |
3498 | default: | |
3499 | abort (); | |
3500 | } | |
3501 | ||
3502 | rettype = debug_name_type (dhandle, name, rettype); | |
3503 | ||
3504 | info->xcoff_types[-typenum] = rettype; | |
3505 | ||
3506 | return rettype; | |
3507 | } | |
3508 | ||
3509 | /* Find or create a tagged type. */ | |
3510 | ||
3511 | static debug_type | |
2da42df6 AJ |
3512 | stab_find_tagged_type (void *dhandle, struct stab_handle *info, |
3513 | const char *p, int len, enum debug_type_kind kind) | |
252b5132 RH |
3514 | { |
3515 | char *name; | |
3516 | debug_type dtype; | |
3517 | struct stab_tag *st; | |
3518 | ||
3519 | name = savestring (p, len); | |
3520 | ||
3521 | /* We pass DEBUG_KIND_ILLEGAL because we want all tags in the same | |
3522 | namespace. This is right for C, and I don't know how to handle | |
3523 | other languages. FIXME. */ | |
3524 | dtype = debug_find_tagged_type (dhandle, name, DEBUG_KIND_ILLEGAL); | |
3525 | if (dtype != DEBUG_TYPE_NULL) | |
3526 | { | |
3527 | free (name); | |
3528 | return dtype; | |
3529 | } | |
3530 | ||
3531 | /* We need to allocate an entry on the undefined tag list. */ | |
3532 | for (st = info->tags; st != NULL; st = st->next) | |
3533 | { | |
3534 | if (st->name[0] == name[0] | |
3535 | && strcmp (st->name, name) == 0) | |
3536 | { | |
3537 | if (st->kind == DEBUG_KIND_ILLEGAL) | |
3538 | st->kind = kind; | |
3539 | free (name); | |
3540 | break; | |
3541 | } | |
3542 | } | |
3543 | if (st == NULL) | |
3544 | { | |
3545 | st = (struct stab_tag *) xmalloc (sizeof *st); | |
3546 | memset (st, 0, sizeof *st); | |
3547 | ||
3548 | st->next = info->tags; | |
3549 | st->name = name; | |
3550 | st->kind = kind; | |
3551 | st->slot = DEBUG_TYPE_NULL; | |
3552 | st->type = debug_make_indirect_type (dhandle, &st->slot, name); | |
3553 | info->tags = st; | |
3554 | } | |
3555 | ||
3556 | return st->type; | |
3557 | } | |
3558 | \f | |
3559 | /* In order to get the correct argument types for a stubbed method, we | |
3560 | need to extract the argument types from a C++ mangled string. | |
3561 | Since the argument types can refer back to the return type, this | |
3562 | means that we must demangle the entire physical name. In gdb this | |
3563 | is done by calling cplus_demangle and running the results back | |
3564 | through the C++ expression parser. Since we have no expression | |
3565 | parser, we must duplicate much of the work of cplus_demangle here. | |
3566 | ||
3567 | We assume that GNU style demangling is used, since this is only | |
3568 | done for method stubs, and only g++ should output that form of | |
3569 | debugging information. */ | |
3570 | ||
3571 | /* This structure is used to hold a pointer to type information which | |
3572 | demangling a string. */ | |
3573 | ||
3574 | struct stab_demangle_typestring | |
3575 | { | |
3576 | /* The start of the type. This is not null terminated. */ | |
3577 | const char *typestring; | |
3578 | /* The length of the type. */ | |
3579 | unsigned int len; | |
3580 | }; | |
3581 | ||
3582 | /* This structure is used to hold information while demangling a | |
3583 | string. */ | |
3584 | ||
3585 | struct stab_demangle_info | |
3586 | { | |
3587 | /* The debugging information handle. */ | |
2da42df6 | 3588 | void *dhandle; |
252b5132 RH |
3589 | /* The stab information handle. */ |
3590 | struct stab_handle *info; | |
3591 | /* The array of arguments we are building. */ | |
3592 | debug_type *args; | |
3593 | /* Whether the method takes a variable number of arguments. */ | |
b34976b6 | 3594 | bfd_boolean varargs; |
252b5132 RH |
3595 | /* The array of types we have remembered. */ |
3596 | struct stab_demangle_typestring *typestrings; | |
3597 | /* The number of typestrings. */ | |
3598 | unsigned int typestring_count; | |
3599 | /* The number of typestring slots we have allocated. */ | |
3600 | unsigned int typestring_alloc; | |
3601 | }; | |
3602 | ||
2da42df6 AJ |
3603 | static void stab_bad_demangle (const char *); |
3604 | static unsigned int stab_demangle_count (const char **); | |
3605 | static bfd_boolean stab_demangle_get_count (const char **, unsigned int *); | |
b34976b6 | 3606 | static bfd_boolean stab_demangle_prefix |
2da42df6 | 3607 | (struct stab_demangle_info *, const char **, unsigned int); |
b34976b6 | 3608 | static bfd_boolean stab_demangle_function_name |
2da42df6 | 3609 | (struct stab_demangle_info *, const char **, const char *); |
b34976b6 | 3610 | static bfd_boolean stab_demangle_signature |
2da42df6 | 3611 | (struct stab_demangle_info *, const char **); |
b34976b6 | 3612 | static bfd_boolean stab_demangle_qualified |
2da42df6 | 3613 | (struct stab_demangle_info *, const char **, debug_type *); |
b34976b6 | 3614 | static bfd_boolean stab_demangle_template |
2da42df6 | 3615 | (struct stab_demangle_info *, const char **, char **); |
b34976b6 | 3616 | static bfd_boolean stab_demangle_class |
2da42df6 | 3617 | (struct stab_demangle_info *, const char **, const char **); |
b34976b6 | 3618 | static bfd_boolean stab_demangle_args |
2da42df6 | 3619 | (struct stab_demangle_info *, const char **, debug_type **, bfd_boolean *); |
b34976b6 | 3620 | static bfd_boolean stab_demangle_arg |
2da42df6 AJ |
3621 | (struct stab_demangle_info *, const char **, debug_type **, |
3622 | unsigned int *, unsigned int *); | |
b34976b6 | 3623 | static bfd_boolean stab_demangle_type |
2da42df6 | 3624 | (struct stab_demangle_info *, const char **, debug_type *); |
b34976b6 | 3625 | static bfd_boolean stab_demangle_fund_type |
2da42df6 | 3626 | (struct stab_demangle_info *, const char **, debug_type *); |
b34976b6 | 3627 | static bfd_boolean stab_demangle_remember_type |
2da42df6 | 3628 | (struct stab_demangle_info *, const char *, int); |
252b5132 RH |
3629 | |
3630 | /* Warn about a bad demangling. */ | |
3631 | ||
3632 | static void | |
2da42df6 | 3633 | stab_bad_demangle (const char *s) |
252b5132 RH |
3634 | { |
3635 | fprintf (stderr, _("bad mangled name `%s'\n"), s); | |
3636 | } | |
3637 | ||
3638 | /* Get a count from a stab string. */ | |
3639 | ||
3640 | static unsigned int | |
2da42df6 | 3641 | stab_demangle_count (const char **pp) |
252b5132 RH |
3642 | { |
3643 | unsigned int count; | |
3644 | ||
3645 | count = 0; | |
3882b010 | 3646 | while (ISDIGIT (**pp)) |
252b5132 RH |
3647 | { |
3648 | count *= 10; | |
3649 | count += **pp - '0'; | |
3650 | ++*pp; | |
3651 | } | |
3652 | return count; | |
3653 | } | |
3654 | ||
3655 | /* Require a count in a string. The count may be multiple digits, in | |
3656 | which case it must end in an underscore. */ | |
3657 | ||
b34976b6 | 3658 | static bfd_boolean |
2da42df6 | 3659 | stab_demangle_get_count (const char **pp, unsigned int *pi) |
252b5132 | 3660 | { |
3882b010 | 3661 | if (! ISDIGIT (**pp)) |
b34976b6 | 3662 | return FALSE; |
252b5132 RH |
3663 | |
3664 | *pi = **pp - '0'; | |
3665 | ++*pp; | |
3882b010 | 3666 | if (ISDIGIT (**pp)) |
252b5132 RH |
3667 | { |
3668 | unsigned int count; | |
3669 | const char *p; | |
3670 | ||
3671 | count = *pi; | |
3672 | p = *pp; | |
3673 | do | |
3674 | { | |
3675 | count *= 10; | |
3676 | count += *p - '0'; | |
3677 | ++p; | |
3678 | } | |
3882b010 | 3679 | while (ISDIGIT (*p)); |
252b5132 RH |
3680 | if (*p == '_') |
3681 | { | |
3682 | *pp = p + 1; | |
3683 | *pi = count; | |
3684 | } | |
3685 | } | |
3686 | ||
b34976b6 | 3687 | return TRUE; |
252b5132 RH |
3688 | } |
3689 | ||
3690 | /* This function demangles a physical name, returning a NULL | |
3691 | terminated array of argument types. */ | |
3692 | ||
3693 | static debug_type * | |
2da42df6 AJ |
3694 | stab_demangle_argtypes (void *dhandle, struct stab_handle *info, |
3695 | const char *physname, bfd_boolean *pvarargs, | |
3696 | unsigned int physname_len) | |
252b5132 RH |
3697 | { |
3698 | struct stab_demangle_info minfo; | |
3699 | ||
3700 | minfo.dhandle = dhandle; | |
3701 | minfo.info = info; | |
3702 | minfo.args = NULL; | |
b34976b6 | 3703 | minfo.varargs = FALSE; |
252b5132 RH |
3704 | minfo.typestring_alloc = 10; |
3705 | minfo.typestrings = ((struct stab_demangle_typestring *) | |
3706 | xmalloc (minfo.typestring_alloc | |
3707 | * sizeof *minfo.typestrings)); | |
3708 | minfo.typestring_count = 0; | |
3709 | ||
3710 | /* cplus_demangle checks for special GNU mangled forms, but we can't | |
3711 | see any of them in mangled method argument types. */ | |
3712 | ||
4b73ca92 | 3713 | if (! stab_demangle_prefix (&minfo, &physname, physname_len)) |
252b5132 RH |
3714 | goto error_return; |
3715 | ||
3716 | if (*physname != '\0') | |
3717 | { | |
3718 | if (! stab_demangle_signature (&minfo, &physname)) | |
3719 | goto error_return; | |
3720 | } | |
3721 | ||
3722 | free (minfo.typestrings); | |
3723 | minfo.typestrings = NULL; | |
3724 | ||
3725 | if (minfo.args == NULL) | |
3726 | fprintf (stderr, _("no argument types in mangled string\n")); | |
3727 | ||
3728 | *pvarargs = minfo.varargs; | |
3729 | return minfo.args; | |
3730 | ||
3731 | error_return: | |
3732 | if (minfo.typestrings != NULL) | |
3733 | free (minfo.typestrings); | |
3734 | return NULL; | |
3735 | } | |
3736 | ||
3737 | /* Demangle the prefix of the mangled name. */ | |
3738 | ||
b34976b6 | 3739 | static bfd_boolean |
2da42df6 AJ |
3740 | stab_demangle_prefix (struct stab_demangle_info *minfo, const char **pp, |
3741 | unsigned int physname_len) | |
252b5132 RH |
3742 | { |
3743 | const char *scan; | |
3744 | unsigned int i; | |
3745 | ||
3746 | /* cplus_demangle checks for global constructors and destructors, | |
3747 | but we can't see them in mangled argument types. */ | |
3748 | ||
4b73ca92 NC |
3749 | if (physname_len) |
3750 | scan = *pp + physname_len; | |
3751 | else | |
252b5132 | 3752 | { |
4b73ca92 NC |
3753 | /* Look for `__'. */ |
3754 | scan = *pp; | |
3755 | do | |
3756 | scan = strchr (scan, '_'); | |
3757 | while (scan != NULL && *++scan != '_'); | |
252b5132 | 3758 | |
4b73ca92 NC |
3759 | if (scan == NULL) |
3760 | { | |
3761 | stab_bad_demangle (*pp); | |
b34976b6 | 3762 | return FALSE; |
4b73ca92 | 3763 | } |
252b5132 | 3764 | |
4b73ca92 | 3765 | --scan; |
252b5132 | 3766 | |
4b73ca92 NC |
3767 | /* We found `__'; move ahead to the last contiguous `__' pair. */ |
3768 | i = strspn (scan, "_"); | |
3769 | if (i > 2) | |
3770 | scan += i - 2; | |
3771 | } | |
252b5132 RH |
3772 | |
3773 | if (scan == *pp | |
3882b010 | 3774 | && (ISDIGIT (scan[2]) |
252b5132 RH |
3775 | || scan[2] == 'Q' |
3776 | || scan[2] == 't')) | |
3777 | { | |
3778 | /* This is a GNU style constructor name. */ | |
3779 | *pp = scan + 2; | |
b34976b6 | 3780 | return TRUE; |
252b5132 RH |
3781 | } |
3782 | else if (scan == *pp | |
3882b010 | 3783 | && ! ISDIGIT (scan[2]) |
252b5132 RH |
3784 | && scan[2] != 't') |
3785 | { | |
3786 | /* Look for the `__' that separates the prefix from the | |
3787 | signature. */ | |
3788 | while (*scan == '_') | |
3789 | ++scan; | |
3790 | scan = strstr (scan, "__"); | |
3791 | if (scan == NULL || scan[2] == '\0') | |
3792 | { | |
3793 | stab_bad_demangle (*pp); | |
b34976b6 | 3794 | return FALSE; |
252b5132 RH |
3795 | } |
3796 | ||
3797 | return stab_demangle_function_name (minfo, pp, scan); | |
3798 | } | |
3799 | else if (scan[2] != '\0') | |
3800 | { | |
3801 | /* The name doesn't start with `__', but it does contain `__'. */ | |
3802 | return stab_demangle_function_name (minfo, pp, scan); | |
3803 | } | |
3804 | else | |
3805 | { | |
3806 | stab_bad_demangle (*pp); | |
b34976b6 | 3807 | return FALSE; |
252b5132 RH |
3808 | } |
3809 | /*NOTREACHED*/ | |
3810 | } | |
3811 | ||
3812 | /* Demangle a function name prefix. The scan argument points to the | |
3813 | double underscore which separates the function name from the | |
3814 | signature. */ | |
3815 | ||
b34976b6 | 3816 | static bfd_boolean |
2da42df6 AJ |
3817 | stab_demangle_function_name (struct stab_demangle_info *minfo, |
3818 | const char **pp, const char *scan) | |
252b5132 RH |
3819 | { |
3820 | const char *name; | |
3821 | ||
3822 | /* The string from *pp to scan is the name of the function. We | |
3823 | don't care about the name, since we just looking for argument | |
3824 | types. However, for conversion operators, the name may include a | |
3825 | type which we must remember in order to handle backreferences. */ | |
3826 | ||
3827 | name = *pp; | |
3828 | *pp = scan + 2; | |
3829 | ||
3830 | if (*pp - name >= 5 | |
3831 | && strncmp (name, "type", 4) == 0 | |
3832 | && (name[4] == '$' || name[4] == '.')) | |
3833 | { | |
3834 | const char *tem; | |
3835 | ||
3836 | /* This is a type conversion operator. */ | |
3837 | tem = name + 5; | |
3838 | if (! stab_demangle_type (minfo, &tem, (debug_type *) NULL)) | |
b34976b6 | 3839 | return FALSE; |
252b5132 RH |
3840 | } |
3841 | else if (name[0] == '_' | |
3842 | && name[1] == '_' | |
3843 | && name[2] == 'o' | |
3844 | && name[3] == 'p') | |
3845 | { | |
3846 | const char *tem; | |
3847 | ||
3848 | /* This is a type conversion operator. */ | |
3849 | tem = name + 4; | |
3850 | if (! stab_demangle_type (minfo, &tem, (debug_type *) NULL)) | |
b34976b6 | 3851 | return FALSE; |
252b5132 RH |
3852 | } |
3853 | ||
b34976b6 | 3854 | return TRUE; |
252b5132 RH |
3855 | } |
3856 | ||
3857 | /* Demangle the signature. This is where the argument types are | |
3858 | found. */ | |
3859 | ||
b34976b6 | 3860 | static bfd_boolean |
2da42df6 | 3861 | stab_demangle_signature (struct stab_demangle_info *minfo, const char **pp) |
252b5132 RH |
3862 | { |
3863 | const char *orig; | |
b34976b6 | 3864 | bfd_boolean expect_func, func_done; |
252b5132 RH |
3865 | const char *hold; |
3866 | ||
3867 | orig = *pp; | |
3868 | ||
b34976b6 AM |
3869 | expect_func = FALSE; |
3870 | func_done = FALSE; | |
252b5132 RH |
3871 | hold = NULL; |
3872 | ||
3873 | while (**pp != '\0') | |
3874 | { | |
3875 | switch (**pp) | |
3876 | { | |
3877 | case 'Q': | |
3878 | hold = *pp; | |
3879 | if (! stab_demangle_qualified (minfo, pp, (debug_type *) NULL) | |
3880 | || ! stab_demangle_remember_type (minfo, hold, *pp - hold)) | |
b34976b6 AM |
3881 | return FALSE; |
3882 | expect_func = TRUE; | |
252b5132 RH |
3883 | hold = NULL; |
3884 | break; | |
3885 | ||
3886 | case 'S': | |
3887 | /* Static member function. FIXME: Can this happen? */ | |
3888 | if (hold == NULL) | |
3889 | hold = *pp; | |
3890 | ++*pp; | |
3891 | break; | |
3892 | ||
3893 | case 'C': | |
3894 | /* Const member function. */ | |
3895 | if (hold == NULL) | |
3896 | hold = *pp; | |
3897 | ++*pp; | |
3898 | break; | |
3899 | ||
3900 | case '0': case '1': case '2': case '3': case '4': | |
3901 | case '5': case '6': case '7': case '8': case '9': | |
3902 | if (hold == NULL) | |
3903 | hold = *pp; | |
3904 | if (! stab_demangle_class (minfo, pp, (const char **) NULL) | |
3905 | || ! stab_demangle_remember_type (minfo, hold, *pp - hold)) | |
b34976b6 AM |
3906 | return FALSE; |
3907 | expect_func = TRUE; | |
252b5132 RH |
3908 | hold = NULL; |
3909 | break; | |
3910 | ||
3911 | case 'F': | |
3912 | /* Function. I don't know if this actually happens with g++ | |
3913 | output. */ | |
3914 | hold = NULL; | |
b34976b6 | 3915 | func_done = TRUE; |
252b5132 RH |
3916 | ++*pp; |
3917 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) | |
b34976b6 | 3918 | return FALSE; |
252b5132 RH |
3919 | break; |
3920 | ||
3921 | case 't': | |
3922 | /* Template. */ | |
3923 | if (hold == NULL) | |
3924 | hold = *pp; | |
3925 | if (! stab_demangle_template (minfo, pp, (char **) NULL) | |
3926 | || ! stab_demangle_remember_type (minfo, hold, *pp - hold)) | |
b34976b6 | 3927 | return FALSE; |
252b5132 | 3928 | hold = NULL; |
b34976b6 | 3929 | expect_func = TRUE; |
252b5132 RH |
3930 | break; |
3931 | ||
3932 | case '_': | |
3933 | /* At the outermost level, we cannot have a return type | |
3934 | specified, so if we run into another '_' at this point we | |
3935 | are dealing with a mangled name that is either bogus, or | |
3936 | has been mangled by some algorithm we don't know how to | |
3937 | deal with. So just reject the entire demangling. */ | |
3938 | stab_bad_demangle (orig); | |
b34976b6 | 3939 | return FALSE; |
252b5132 RH |
3940 | |
3941 | default: | |
3942 | /* Assume we have stumbled onto the first outermost function | |
3943 | argument token, and start processing args. */ | |
b34976b6 | 3944 | func_done = TRUE; |
252b5132 | 3945 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) |
b34976b6 | 3946 | return FALSE; |
252b5132 RH |
3947 | break; |
3948 | } | |
3949 | ||
3950 | if (expect_func) | |
3951 | { | |
b34976b6 | 3952 | func_done = TRUE; |
252b5132 | 3953 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) |
b34976b6 | 3954 | return FALSE; |
252b5132 RH |
3955 | } |
3956 | } | |
3957 | ||
3958 | if (! func_done) | |
3959 | { | |
3960 | /* With GNU style demangling, bar__3foo is 'foo::bar(void)', and | |
3961 | bar__3fooi is 'foo::bar(int)'. We get here when we find the | |
3962 | first case, and need to ensure that the '(void)' gets added | |
3963 | to the current declp. */ | |
3964 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) | |
b34976b6 | 3965 | return FALSE; |
252b5132 RH |
3966 | } |
3967 | ||
b34976b6 | 3968 | return TRUE; |
252b5132 RH |
3969 | } |
3970 | ||
3971 | /* Demangle a qualified name, such as "Q25Outer5Inner" which is the | |
3972 | mangled form of "Outer::Inner". */ | |
3973 | ||
b34976b6 | 3974 | static bfd_boolean |
2da42df6 AJ |
3975 | stab_demangle_qualified (struct stab_demangle_info *minfo, const char **pp, |
3976 | debug_type *ptype) | |
252b5132 RH |
3977 | { |
3978 | const char *orig; | |
3979 | const char *p; | |
3980 | unsigned int qualifiers; | |
3981 | debug_type context; | |
3982 | ||
3983 | orig = *pp; | |
3984 | ||
3985 | switch ((*pp)[1]) | |
3986 | { | |
3987 | case '_': | |
3988 | /* GNU mangled name with more than 9 classes. The count is | |
3989 | preceded by an underscore (to distinguish it from the <= 9 | |
3990 | case) and followed by an underscore. */ | |
3991 | p = *pp + 2; | |
3882b010 | 3992 | if (! ISDIGIT (*p) || *p == '0') |
252b5132 RH |
3993 | { |
3994 | stab_bad_demangle (orig); | |
b34976b6 | 3995 | return FALSE; |
252b5132 RH |
3996 | } |
3997 | qualifiers = atoi (p); | |
3882b010 | 3998 | while (ISDIGIT (*p)) |
252b5132 RH |
3999 | ++p; |
4000 | if (*p != '_') | |
4001 | { | |
4002 | stab_bad_demangle (orig); | |
b34976b6 | 4003 | return FALSE; |
252b5132 RH |
4004 | } |
4005 | *pp = p + 1; | |
4006 | break; | |
4007 | ||
4008 | case '1': case '2': case '3': case '4': case '5': | |
4009 | case '6': case '7': case '8': case '9': | |
4010 | qualifiers = (*pp)[1] - '0'; | |
4011 | /* Skip an optional underscore after the count. */ | |
4012 | if ((*pp)[2] == '_') | |
4013 | ++*pp; | |
4014 | *pp += 2; | |
4015 | break; | |
4016 | ||
4017 | case '0': | |
4018 | default: | |
4019 | stab_bad_demangle (orig); | |
b34976b6 | 4020 | return FALSE; |
252b5132 RH |
4021 | } |
4022 | ||
4023 | context = DEBUG_TYPE_NULL; | |
4024 | ||
4025 | /* Pick off the names. */ | |
4026 | while (qualifiers-- > 0) | |
4027 | { | |
4028 | if (**pp == '_') | |
4029 | ++*pp; | |
4030 | if (**pp == 't') | |
4031 | { | |
4032 | char *name; | |
4033 | ||
4034 | if (! stab_demangle_template (minfo, pp, | |
4035 | ptype != NULL ? &name : NULL)) | |
b34976b6 | 4036 | return FALSE; |
252b5132 RH |
4037 | |
4038 | if (ptype != NULL) | |
4039 | { | |
4040 | context = stab_find_tagged_type (minfo->dhandle, minfo->info, | |
4041 | name, strlen (name), | |
4042 | DEBUG_KIND_CLASS); | |
4043 | free (name); | |
4044 | if (context == DEBUG_TYPE_NULL) | |
b34976b6 | 4045 | return FALSE; |
252b5132 RH |
4046 | } |
4047 | } | |
4048 | else | |
4049 | { | |
4050 | unsigned int len; | |
4051 | ||
4052 | len = stab_demangle_count (pp); | |
4053 | if (strlen (*pp) < len) | |
4054 | { | |
4055 | stab_bad_demangle (orig); | |
b34976b6 | 4056 | return FALSE; |
252b5132 RH |
4057 | } |
4058 | ||
4059 | if (ptype != NULL) | |
4060 | { | |
4061 | const debug_field *fields; | |
4062 | ||
4063 | fields = NULL; | |
4064 | if (context != DEBUG_TYPE_NULL) | |
4065 | fields = debug_get_fields (minfo->dhandle, context); | |
4066 | ||
4067 | context = DEBUG_TYPE_NULL; | |
4068 | ||
4069 | if (fields != NULL) | |
4070 | { | |
4071 | char *name; | |
4072 | ||
4073 | /* Try to find the type by looking through the | |
4074 | fields of context until we find a field with the | |
4075 | same type. This ought to work for a class | |
4076 | defined within a class, but it won't work for, | |
4077 | e.g., an enum defined within a class. stabs does | |
4078 | not give us enough information to figure out the | |
4079 | latter case. */ | |
4080 | ||
4081 | name = savestring (*pp, len); | |
4082 | ||
4083 | for (; *fields != DEBUG_FIELD_NULL; fields++) | |
4084 | { | |
4085 | debug_type ft; | |
4086 | const char *dn; | |
4087 | ||
4088 | ft = debug_get_field_type (minfo->dhandle, *fields); | |
4089 | if (ft == NULL) | |
b34976b6 | 4090 | return FALSE; |
252b5132 RH |
4091 | dn = debug_get_type_name (minfo->dhandle, ft); |
4092 | if (dn != NULL && strcmp (dn, name) == 0) | |
4093 | { | |
4094 | context = ft; | |
4095 | break; | |
4096 | } | |
4097 | } | |
4098 | ||
4099 | free (name); | |
4100 | } | |
4101 | ||
4102 | if (context == DEBUG_TYPE_NULL) | |
4103 | { | |
4104 | /* We have to fall back on finding the type by name. | |
4105 | If there are more types to come, then this must | |
4106 | be a class. Otherwise, it could be anything. */ | |
4107 | ||
4108 | if (qualifiers == 0) | |
4109 | { | |
4110 | char *name; | |
4111 | ||
4112 | name = savestring (*pp, len); | |
4113 | context = debug_find_named_type (minfo->dhandle, | |
4114 | name); | |
4115 | free (name); | |
4116 | } | |
4117 | ||
4118 | if (context == DEBUG_TYPE_NULL) | |
4119 | { | |
4120 | context = stab_find_tagged_type (minfo->dhandle, | |
4121 | minfo->info, | |
4122 | *pp, len, | |
4123 | (qualifiers == 0 | |
4124 | ? DEBUG_KIND_ILLEGAL | |
4125 | : DEBUG_KIND_CLASS)); | |
4126 | if (context == DEBUG_TYPE_NULL) | |
b34976b6 | 4127 | return FALSE; |
252b5132 RH |
4128 | } |
4129 | } | |
4130 | } | |
4131 | ||
4132 | *pp += len; | |
4133 | } | |
4134 | } | |
4135 | ||
4136 | if (ptype != NULL) | |
4137 | *ptype = context; | |
4138 | ||
b34976b6 | 4139 | return TRUE; |
252b5132 RH |
4140 | } |
4141 | ||
4142 | /* Demangle a template. If PNAME is not NULL, this sets *PNAME to a | |
4143 | string representation of the template. */ | |
4144 | ||
b34976b6 | 4145 | static bfd_boolean |
2da42df6 AJ |
4146 | stab_demangle_template (struct stab_demangle_info *minfo, const char **pp, |
4147 | char **pname) | |
252b5132 RH |
4148 | { |
4149 | const char *orig; | |
4150 | unsigned int r, i; | |
4151 | ||
4152 | orig = *pp; | |
4153 | ||
4154 | ++*pp; | |
4155 | ||
4156 | /* Skip the template name. */ | |
4157 | r = stab_demangle_count (pp); | |
4158 | if (r == 0 || strlen (*pp) < r) | |
4159 | { | |
4160 | stab_bad_demangle (orig); | |
b34976b6 | 4161 | return FALSE; |
252b5132 RH |
4162 | } |
4163 | *pp += r; | |
4164 | ||
4165 | /* Get the size of the parameter list. */ | |
4166 | if (stab_demangle_get_count (pp, &r) == 0) | |
4167 | { | |
4168 | stab_bad_demangle (orig); | |
b34976b6 | 4169 | return FALSE; |
252b5132 RH |
4170 | } |
4171 | ||
4172 | for (i = 0; i < r; i++) | |
4173 | { | |
4174 | if (**pp == 'Z') | |
4175 | { | |
4176 | /* This is a type parameter. */ | |
4177 | ++*pp; | |
4178 | if (! stab_demangle_type (minfo, pp, (debug_type *) NULL)) | |
b34976b6 | 4179 | return FALSE; |
252b5132 RH |
4180 | } |
4181 | else | |
4182 | { | |
4183 | const char *old_p; | |
b34976b6 AM |
4184 | bfd_boolean pointerp, realp, integralp, charp, boolp; |
4185 | bfd_boolean done; | |
252b5132 RH |
4186 | |
4187 | old_p = *pp; | |
b34976b6 AM |
4188 | pointerp = FALSE; |
4189 | realp = FALSE; | |
4190 | integralp = FALSE; | |
4191 | charp = FALSE; | |
4192 | boolp = FALSE; | |
4193 | done = FALSE; | |
252b5132 RH |
4194 | |
4195 | /* This is a value parameter. */ | |
4196 | ||
4197 | if (! stab_demangle_type (minfo, pp, (debug_type *) NULL)) | |
b34976b6 | 4198 | return FALSE; |
252b5132 RH |
4199 | |
4200 | while (*old_p != '\0' && ! done) | |
4201 | { | |
4202 | switch (*old_p) | |
4203 | { | |
4204 | case 'P': | |
4205 | case 'p': | |
4206 | case 'R': | |
b34976b6 AM |
4207 | pointerp = TRUE; |
4208 | done = TRUE; | |
252b5132 RH |
4209 | break; |
4210 | case 'C': /* Const. */ | |
4211 | case 'S': /* Signed. */ | |
4212 | case 'U': /* Unsigned. */ | |
4213 | case 'V': /* Volatile. */ | |
4214 | case 'F': /* Function. */ | |
4215 | case 'M': /* Member function. */ | |
4216 | case 'O': /* ??? */ | |
4217 | ++old_p; | |
4218 | break; | |
4219 | case 'Q': /* Qualified name. */ | |
b34976b6 AM |
4220 | integralp = TRUE; |
4221 | done = TRUE; | |
252b5132 RH |
4222 | break; |
4223 | case 'T': /* Remembered type. */ | |
4224 | abort (); | |
4225 | case 'v': /* Void. */ | |
4226 | abort (); | |
4227 | case 'x': /* Long long. */ | |
4228 | case 'l': /* Long. */ | |
4229 | case 'i': /* Int. */ | |
4230 | case 's': /* Short. */ | |
4231 | case 'w': /* Wchar_t. */ | |
b34976b6 AM |
4232 | integralp = TRUE; |
4233 | done = TRUE; | |
252b5132 RH |
4234 | break; |
4235 | case 'b': /* Bool. */ | |
b34976b6 AM |
4236 | boolp = TRUE; |
4237 | done = TRUE; | |
252b5132 RH |
4238 | break; |
4239 | case 'c': /* Char. */ | |
b34976b6 AM |
4240 | charp = TRUE; |
4241 | done = TRUE; | |
252b5132 RH |
4242 | break; |
4243 | case 'r': /* Long double. */ | |
4244 | case 'd': /* Double. */ | |
4245 | case 'f': /* Float. */ | |
b34976b6 AM |
4246 | realp = TRUE; |
4247 | done = TRUE; | |
252b5132 RH |
4248 | break; |
4249 | default: | |
4250 | /* Assume it's a user defined integral type. */ | |
b34976b6 AM |
4251 | integralp = TRUE; |
4252 | done = TRUE; | |
252b5132 RH |
4253 | break; |
4254 | } | |
4255 | } | |
4256 | ||
4257 | if (integralp) | |
4258 | { | |
4259 | if (**pp == 'm') | |
4260 | ++*pp; | |
3882b010 | 4261 | while (ISDIGIT (**pp)) |
252b5132 RH |
4262 | ++*pp; |
4263 | } | |
4264 | else if (charp) | |
4265 | { | |
4266 | unsigned int val; | |
4267 | ||
4268 | if (**pp == 'm') | |
4269 | ++*pp; | |
4270 | val = stab_demangle_count (pp); | |
4271 | if (val == 0) | |
4272 | { | |
4273 | stab_bad_demangle (orig); | |
b34976b6 | 4274 | return FALSE; |
252b5132 RH |
4275 | } |
4276 | } | |
4277 | else if (boolp) | |
4278 | { | |
4279 | unsigned int val; | |
4280 | ||
4281 | val = stab_demangle_count (pp); | |
4282 | if (val != 0 && val != 1) | |
4283 | { | |
4284 | stab_bad_demangle (orig); | |
b34976b6 | 4285 | return FALSE; |
252b5132 RH |
4286 | } |
4287 | } | |
4288 | else if (realp) | |
4289 | { | |
4290 | if (**pp == 'm') | |
4291 | ++*pp; | |
3882b010 | 4292 | while (ISDIGIT (**pp)) |
252b5132 RH |
4293 | ++*pp; |
4294 | if (**pp == '.') | |
4295 | { | |
4296 | ++*pp; | |
3882b010 | 4297 | while (ISDIGIT (**pp)) |
252b5132 RH |
4298 | ++*pp; |
4299 | } | |
4300 | if (**pp == 'e') | |
4301 | { | |
4302 | ++*pp; | |
3882b010 | 4303 | while (ISDIGIT (**pp)) |
252b5132 RH |
4304 | ++*pp; |
4305 | } | |
4306 | } | |
4307 | else if (pointerp) | |
4308 | { | |
4309 | unsigned int len; | |
4310 | ||
4311 | if (! stab_demangle_get_count (pp, &len)) | |
4312 | { | |
4313 | stab_bad_demangle (orig); | |
b34976b6 | 4314 | return FALSE; |
252b5132 RH |
4315 | } |
4316 | *pp += len; | |
4317 | } | |
4318 | } | |
4319 | } | |
4320 | ||
4321 | /* We can translate this to a string fairly easily by invoking the | |
4322 | regular demangling routine. */ | |
4323 | if (pname != NULL) | |
4324 | { | |
d81d6584 | 4325 | char *s1, *s2, *s3, *s4 = NULL; |
252b5132 RH |
4326 | char *from, *to; |
4327 | ||
4328 | s1 = savestring (orig, *pp - orig); | |
4329 | ||
4330 | s2 = concat ("NoSuchStrinG__", s1, (const char *) NULL); | |
4331 | ||
4332 | free (s1); | |
4333 | ||
4334 | s3 = cplus_demangle (s2, DMGL_ANSI); | |
4335 | ||
4336 | free (s2); | |
4337 | ||
4338 | if (s3 != NULL) | |
4339 | s4 = strstr (s3, "::NoSuchStrinG"); | |
4340 | if (s3 == NULL || s4 == NULL) | |
4341 | { | |
4342 | stab_bad_demangle (orig); | |
4343 | if (s3 != NULL) | |
4344 | free (s3); | |
b34976b6 | 4345 | return FALSE; |
252b5132 RH |
4346 | } |
4347 | ||
4348 | /* Eliminating all spaces, except those between > characters, | |
4349 | makes it more likely that the demangled name will match the | |
4350 | name which g++ used as the structure name. */ | |
4351 | for (from = to = s3; from != s4; ++from) | |
4352 | if (*from != ' ' | |
4353 | || (from[1] == '>' && from > s3 && from[-1] == '>')) | |
4354 | *to++ = *from; | |
4355 | ||
4356 | *pname = savestring (s3, to - s3); | |
4357 | ||
4358 | free (s3); | |
4359 | } | |
4360 | ||
b34976b6 | 4361 | return TRUE; |
252b5132 RH |
4362 | } |
4363 | ||
4364 | /* Demangle a class name. */ | |
4365 | ||
b34976b6 | 4366 | static bfd_boolean |
2da42df6 AJ |
4367 | stab_demangle_class (struct stab_demangle_info *minfo ATTRIBUTE_UNUSED, |
4368 | const char **pp, const char **pstart) | |
252b5132 RH |
4369 | { |
4370 | const char *orig; | |
4371 | unsigned int n; | |
4372 | ||
4373 | orig = *pp; | |
4374 | ||
4375 | n = stab_demangle_count (pp); | |
4376 | if (strlen (*pp) < n) | |
4377 | { | |
4378 | stab_bad_demangle (orig); | |
b34976b6 | 4379 | return FALSE; |
252b5132 RH |
4380 | } |
4381 | ||
4382 | if (pstart != NULL) | |
4383 | *pstart = *pp; | |
4384 | ||
4385 | *pp += n; | |
4386 | ||
b34976b6 | 4387 | return TRUE; |
252b5132 RH |
4388 | } |
4389 | ||
4390 | /* Demangle function arguments. If the pargs argument is not NULL, it | |
4391 | is set to a NULL terminated array holding the arguments. */ | |
4392 | ||
b34976b6 | 4393 | static bfd_boolean |
2da42df6 AJ |
4394 | stab_demangle_args (struct stab_demangle_info *minfo, const char **pp, |
4395 | debug_type **pargs, bfd_boolean *pvarargs) | |
252b5132 RH |
4396 | { |
4397 | const char *orig; | |
4398 | unsigned int alloc, count; | |
4399 | ||
4400 | orig = *pp; | |
4401 | ||
4402 | alloc = 10; | |
4403 | if (pargs != NULL) | |
4404 | { | |
4405 | *pargs = (debug_type *) xmalloc (alloc * sizeof **pargs); | |
b34976b6 | 4406 | *pvarargs = FALSE; |
252b5132 RH |
4407 | } |
4408 | count = 0; | |
4409 | ||
4410 | while (**pp != '_' && **pp != '\0' && **pp != 'e') | |
4411 | { | |
4412 | if (**pp == 'N' || **pp == 'T') | |
4413 | { | |
4414 | char temptype; | |
4415 | unsigned int r, t; | |
4416 | ||
4417 | temptype = **pp; | |
4418 | ++*pp; | |
4419 | ||
4420 | if (temptype == 'T') | |
4421 | r = 1; | |
4422 | else | |
4423 | { | |
4424 | if (! stab_demangle_get_count (pp, &r)) | |
4425 | { | |
4426 | stab_bad_demangle (orig); | |
b34976b6 | 4427 | return FALSE; |
252b5132 RH |
4428 | } |
4429 | } | |
4430 | ||
4431 | if (! stab_demangle_get_count (pp, &t)) | |
4432 | { | |
4433 | stab_bad_demangle (orig); | |
b34976b6 | 4434 | return FALSE; |
252b5132 RH |
4435 | } |
4436 | ||
4437 | if (t >= minfo->typestring_count) | |
4438 | { | |
4439 | stab_bad_demangle (orig); | |
b34976b6 | 4440 | return FALSE; |
252b5132 RH |
4441 | } |
4442 | while (r-- > 0) | |
4443 | { | |
4444 | const char *tem; | |
4445 | ||
4446 | tem = minfo->typestrings[t].typestring; | |
4447 | if (! stab_demangle_arg (minfo, &tem, pargs, &count, &alloc)) | |
b34976b6 | 4448 | return FALSE; |
252b5132 RH |
4449 | } |
4450 | } | |
4451 | else | |
4452 | { | |
4453 | if (! stab_demangle_arg (minfo, pp, pargs, &count, &alloc)) | |
b34976b6 | 4454 | return FALSE; |
252b5132 RH |
4455 | } |
4456 | } | |
4457 | ||
4458 | if (pargs != NULL) | |
4459 | (*pargs)[count] = DEBUG_TYPE_NULL; | |
4460 | ||
4461 | if (**pp == 'e') | |
4462 | { | |
4463 | if (pargs != NULL) | |
b34976b6 | 4464 | *pvarargs = TRUE; |
252b5132 RH |
4465 | ++*pp; |
4466 | } | |
4467 | ||
b34976b6 | 4468 | return TRUE; |
252b5132 RH |
4469 | } |
4470 | ||
4471 | /* Demangle a single argument. */ | |
4472 | ||
b34976b6 | 4473 | static bfd_boolean |
2da42df6 AJ |
4474 | stab_demangle_arg (struct stab_demangle_info *minfo, const char **pp, |
4475 | debug_type **pargs, unsigned int *pcount, | |
4476 | unsigned int *palloc) | |
252b5132 RH |
4477 | { |
4478 | const char *start; | |
4479 | debug_type type; | |
4480 | ||
4481 | start = *pp; | |
4482 | if (! stab_demangle_type (minfo, pp, | |
4483 | pargs == NULL ? (debug_type *) NULL : &type) | |
4484 | || ! stab_demangle_remember_type (minfo, start, *pp - start)) | |
b34976b6 | 4485 | return FALSE; |
252b5132 RH |
4486 | |
4487 | if (pargs != NULL) | |
4488 | { | |
4489 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 4490 | return FALSE; |
252b5132 RH |
4491 | |
4492 | if (*pcount + 1 >= *palloc) | |
4493 | { | |
4494 | *palloc += 10; | |
4495 | *pargs = ((debug_type *) | |
4496 | xrealloc (*pargs, *palloc * sizeof **pargs)); | |
4497 | } | |
4498 | (*pargs)[*pcount] = type; | |
4499 | ++*pcount; | |
4500 | } | |
4501 | ||
b34976b6 | 4502 | return TRUE; |
252b5132 RH |
4503 | } |
4504 | ||
4505 | /* Demangle a type. If the ptype argument is not NULL, *ptype is set | |
4506 | to the newly allocated type. */ | |
4507 | ||
b34976b6 | 4508 | static bfd_boolean |
2da42df6 AJ |
4509 | stab_demangle_type (struct stab_demangle_info *minfo, const char **pp, |
4510 | debug_type *ptype) | |
252b5132 RH |
4511 | { |
4512 | const char *orig; | |
4513 | ||
4514 | orig = *pp; | |
4515 | ||
4516 | switch (**pp) | |
4517 | { | |
4518 | case 'P': | |
4519 | case 'p': | |
4520 | /* A pointer type. */ | |
4521 | ++*pp; | |
4522 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4523 | return FALSE; |
252b5132 RH |
4524 | if (ptype != NULL) |
4525 | *ptype = debug_make_pointer_type (minfo->dhandle, *ptype); | |
4526 | break; | |
4527 | ||
4528 | case 'R': | |
4529 | /* A reference type. */ | |
4530 | ++*pp; | |
4531 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4532 | return FALSE; |
252b5132 RH |
4533 | if (ptype != NULL) |
4534 | *ptype = debug_make_reference_type (minfo->dhandle, *ptype); | |
4535 | break; | |
4536 | ||
4537 | case 'A': | |
4538 | /* An array. */ | |
4539 | { | |
4540 | unsigned long high; | |
4541 | ||
4542 | ++*pp; | |
4543 | high = 0; | |
4544 | while (**pp != '\0' && **pp != '_') | |
4545 | { | |
3882b010 | 4546 | if (! ISDIGIT (**pp)) |
252b5132 RH |
4547 | { |
4548 | stab_bad_demangle (orig); | |
b34976b6 | 4549 | return FALSE; |
252b5132 RH |
4550 | } |
4551 | high *= 10; | |
4552 | high += **pp - '0'; | |
4553 | ++*pp; | |
4554 | } | |
4555 | if (**pp != '_') | |
4556 | { | |
4557 | stab_bad_demangle (orig); | |
b34976b6 | 4558 | return FALSE; |
252b5132 RH |
4559 | } |
4560 | ++*pp; | |
4561 | ||
4562 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4563 | return FALSE; |
252b5132 RH |
4564 | if (ptype != NULL) |
4565 | { | |
4566 | debug_type int_type; | |
4567 | ||
4568 | int_type = debug_find_named_type (minfo->dhandle, "int"); | |
4569 | if (int_type == NULL) | |
b34976b6 | 4570 | int_type = debug_make_int_type (minfo->dhandle, 4, FALSE); |
252b5132 | 4571 | *ptype = debug_make_array_type (minfo->dhandle, *ptype, int_type, |
b34976b6 | 4572 | 0, high, FALSE); |
252b5132 RH |
4573 | } |
4574 | } | |
4575 | break; | |
4576 | ||
4577 | case 'T': | |
4578 | /* A back reference to a remembered type. */ | |
4579 | { | |
4580 | unsigned int i; | |
4581 | const char *p; | |
4582 | ||
4583 | ++*pp; | |
4584 | if (! stab_demangle_get_count (pp, &i)) | |
4585 | { | |
4586 | stab_bad_demangle (orig); | |
b34976b6 | 4587 | return FALSE; |
252b5132 RH |
4588 | } |
4589 | if (i >= minfo->typestring_count) | |
4590 | { | |
4591 | stab_bad_demangle (orig); | |
b34976b6 | 4592 | return FALSE; |
252b5132 RH |
4593 | } |
4594 | p = minfo->typestrings[i].typestring; | |
4595 | if (! stab_demangle_type (minfo, &p, ptype)) | |
b34976b6 | 4596 | return FALSE; |
252b5132 RH |
4597 | } |
4598 | break; | |
4599 | ||
4600 | case 'F': | |
4601 | /* A function. */ | |
4602 | { | |
4603 | debug_type *args; | |
b34976b6 | 4604 | bfd_boolean varargs; |
252b5132 RH |
4605 | |
4606 | ++*pp; | |
4607 | if (! stab_demangle_args (minfo, pp, | |
4608 | (ptype == NULL | |
4609 | ? (debug_type **) NULL | |
4610 | : &args), | |
4611 | (ptype == NULL | |
b34976b6 | 4612 | ? (bfd_boolean *) NULL |
252b5132 | 4613 | : &varargs))) |
b34976b6 | 4614 | return FALSE; |
252b5132 RH |
4615 | if (**pp != '_') |
4616 | { | |
4617 | /* cplus_demangle will accept a function without a return | |
4618 | type, but I don't know when that will happen, or what | |
4619 | to do if it does. */ | |
4620 | stab_bad_demangle (orig); | |
b34976b6 | 4621 | return FALSE; |
252b5132 RH |
4622 | } |
4623 | ++*pp; | |
4624 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4625 | return FALSE; |
252b5132 RH |
4626 | if (ptype != NULL) |
4627 | *ptype = debug_make_function_type (minfo->dhandle, *ptype, args, | |
4628 | varargs); | |
4629 | ||
4630 | } | |
4631 | break; | |
4632 | ||
4633 | case 'M': | |
4634 | case 'O': | |
4635 | { | |
b34976b6 | 4636 | bfd_boolean memberp, constp, volatilep; |
c602a165 | 4637 | debug_type class_type = DEBUG_TYPE_NULL; |
252b5132 | 4638 | debug_type *args; |
b34976b6 | 4639 | bfd_boolean varargs; |
252b5132 RH |
4640 | unsigned int n; |
4641 | const char *name; | |
4642 | ||
4643 | memberp = **pp == 'M'; | |
b34976b6 AM |
4644 | constp = FALSE; |
4645 | volatilep = FALSE; | |
252b5132 | 4646 | args = NULL; |
b34976b6 | 4647 | varargs = FALSE; |
252b5132 RH |
4648 | |
4649 | ++*pp; | |
3882b010 | 4650 | if (ISDIGIT (**pp)) |
252b5132 | 4651 | { |
c602a165 ILT |
4652 | n = stab_demangle_count (pp); |
4653 | if (strlen (*pp) < n) | |
4654 | { | |
4655 | stab_bad_demangle (orig); | |
b34976b6 | 4656 | return FALSE; |
c602a165 ILT |
4657 | } |
4658 | name = *pp; | |
4659 | *pp += n; | |
4660 | ||
4661 | if (ptype != NULL) | |
4662 | { | |
4663 | class_type = stab_find_tagged_type (minfo->dhandle, | |
4664 | minfo->info, | |
4665 | name, (int) n, | |
4666 | DEBUG_KIND_CLASS); | |
4667 | if (class_type == DEBUG_TYPE_NULL) | |
b34976b6 | 4668 | return FALSE; |
c602a165 | 4669 | } |
252b5132 | 4670 | } |
c602a165 ILT |
4671 | else if (**pp == 'Q') |
4672 | { | |
4673 | if (! stab_demangle_qualified (minfo, pp, | |
4674 | (ptype == NULL | |
4675 | ? (debug_type *) NULL | |
4676 | : &class_type))) | |
b34976b6 | 4677 | return FALSE; |
c602a165 ILT |
4678 | } |
4679 | else | |
252b5132 RH |
4680 | { |
4681 | stab_bad_demangle (orig); | |
b34976b6 | 4682 | return FALSE; |
252b5132 | 4683 | } |
252b5132 RH |
4684 | |
4685 | if (memberp) | |
4686 | { | |
4687 | if (**pp == 'C') | |
4688 | { | |
b34976b6 | 4689 | constp = TRUE; |
252b5132 RH |
4690 | ++*pp; |
4691 | } | |
4692 | else if (**pp == 'V') | |
4693 | { | |
b34976b6 | 4694 | volatilep = TRUE; |
252b5132 RH |
4695 | ++*pp; |
4696 | } | |
4697 | if (**pp != 'F') | |
4698 | { | |
4699 | stab_bad_demangle (orig); | |
b34976b6 | 4700 | return FALSE; |
252b5132 RH |
4701 | } |
4702 | ++*pp; | |
4703 | if (! stab_demangle_args (minfo, pp, | |
4704 | (ptype == NULL | |
4705 | ? (debug_type **) NULL | |
4706 | : &args), | |
4707 | (ptype == NULL | |
b34976b6 | 4708 | ? (bfd_boolean *) NULL |
252b5132 | 4709 | : &varargs))) |
b34976b6 | 4710 | return FALSE; |
252b5132 RH |
4711 | } |
4712 | ||
4713 | if (**pp != '_') | |
4714 | { | |
4715 | stab_bad_demangle (orig); | |
b34976b6 | 4716 | return FALSE; |
252b5132 RH |
4717 | } |
4718 | ++*pp; | |
4719 | ||
4720 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4721 | return FALSE; |
252b5132 RH |
4722 | |
4723 | if (ptype != NULL) | |
4724 | { | |
252b5132 RH |
4725 | if (! memberp) |
4726 | *ptype = debug_make_offset_type (minfo->dhandle, class_type, | |
4727 | *ptype); | |
4728 | else | |
4729 | { | |
4730 | /* FIXME: We have no way to record constp or | |
4731 | volatilep. */ | |
4732 | *ptype = debug_make_method_type (minfo->dhandle, *ptype, | |
4733 | class_type, args, varargs); | |
4734 | } | |
4735 | } | |
4736 | } | |
4737 | break; | |
4738 | ||
4739 | case 'G': | |
4740 | ++*pp; | |
4741 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4742 | return FALSE; |
252b5132 RH |
4743 | break; |
4744 | ||
4745 | case 'C': | |
4746 | ++*pp; | |
4747 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4748 | return FALSE; |
252b5132 RH |
4749 | if (ptype != NULL) |
4750 | *ptype = debug_make_const_type (minfo->dhandle, *ptype); | |
4751 | break; | |
4752 | ||
4753 | case 'Q': | |
4754 | { | |
4755 | const char *hold; | |
4756 | ||
4757 | hold = *pp; | |
4758 | if (! stab_demangle_qualified (minfo, pp, ptype)) | |
b34976b6 | 4759 | return FALSE; |
252b5132 RH |
4760 | } |
4761 | break; | |
4762 | ||
4763 | default: | |
4764 | if (! stab_demangle_fund_type (minfo, pp, ptype)) | |
b34976b6 | 4765 | return FALSE; |
252b5132 RH |
4766 | break; |
4767 | } | |
4768 | ||
b34976b6 | 4769 | return TRUE; |
252b5132 RH |
4770 | } |
4771 | ||
4772 | /* Demangle a fundamental type. If the ptype argument is not NULL, | |
4773 | *ptype is set to the newly allocated type. */ | |
4774 | ||
b34976b6 | 4775 | static bfd_boolean |
2da42df6 AJ |
4776 | stab_demangle_fund_type (struct stab_demangle_info *minfo, const char **pp, |
4777 | debug_type *ptype) | |
252b5132 RH |
4778 | { |
4779 | const char *orig; | |
b34976b6 AM |
4780 | bfd_boolean constp, volatilep, unsignedp, signedp; |
4781 | bfd_boolean done; | |
252b5132 RH |
4782 | |
4783 | orig = *pp; | |
4784 | ||
b34976b6 AM |
4785 | constp = FALSE; |
4786 | volatilep = FALSE; | |
4787 | unsignedp = FALSE; | |
4788 | signedp = FALSE; | |
252b5132 | 4789 | |
b34976b6 | 4790 | done = FALSE; |
252b5132 RH |
4791 | while (! done) |
4792 | { | |
4793 | switch (**pp) | |
4794 | { | |
4795 | case 'C': | |
b34976b6 | 4796 | constp = TRUE; |
252b5132 RH |
4797 | ++*pp; |
4798 | break; | |
4799 | ||
4800 | case 'U': | |
b34976b6 | 4801 | unsignedp = TRUE; |
252b5132 RH |
4802 | ++*pp; |
4803 | break; | |
4804 | ||
4805 | case 'S': | |
b34976b6 | 4806 | signedp = TRUE; |
252b5132 RH |
4807 | ++*pp; |
4808 | break; | |
4809 | ||
4810 | case 'V': | |
b34976b6 | 4811 | volatilep = TRUE; |
252b5132 RH |
4812 | ++*pp; |
4813 | break; | |
4814 | ||
4815 | default: | |
b34976b6 | 4816 | done = TRUE; |
252b5132 RH |
4817 | break; |
4818 | } | |
4819 | } | |
4820 | ||
4821 | switch (**pp) | |
4822 | { | |
4823 | case '\0': | |
4824 | case '_': | |
4825 | /* cplus_demangle permits this, but I don't know what it means. */ | |
4826 | stab_bad_demangle (orig); | |
4827 | break; | |
4828 | ||
4829 | case 'v': /* void */ | |
4830 | if (ptype != NULL) | |
4831 | { | |
4832 | *ptype = debug_find_named_type (minfo->dhandle, "void"); | |
4833 | if (*ptype == DEBUG_TYPE_NULL) | |
4834 | *ptype = debug_make_void_type (minfo->dhandle); | |
4835 | } | |
4836 | ++*pp; | |
4837 | break; | |
4838 | ||
4839 | case 'x': /* long long */ | |
4840 | if (ptype != NULL) | |
4841 | { | |
4842 | *ptype = debug_find_named_type (minfo->dhandle, | |
4843 | (unsignedp | |
4844 | ? "long long unsigned int" | |
4845 | : "long long int")); | |
4846 | if (*ptype == DEBUG_TYPE_NULL) | |
4847 | *ptype = debug_make_int_type (minfo->dhandle, 8, unsignedp); | |
4848 | } | |
4849 | ++*pp; | |
4850 | break; | |
4851 | ||
4852 | case 'l': /* long */ | |
4853 | if (ptype != NULL) | |
4854 | { | |
4855 | *ptype = debug_find_named_type (minfo->dhandle, | |
4856 | (unsignedp | |
4857 | ? "long unsigned int" | |
4858 | : "long int")); | |
4859 | if (*ptype == DEBUG_TYPE_NULL) | |
4860 | *ptype = debug_make_int_type (minfo->dhandle, 4, unsignedp); | |
4861 | } | |
4862 | ++*pp; | |
4863 | break; | |
4864 | ||
4865 | case 'i': /* int */ | |
4866 | if (ptype != NULL) | |
4867 | { | |
4868 | *ptype = debug_find_named_type (minfo->dhandle, | |
4869 | (unsignedp | |
4870 | ? "unsigned int" | |
4871 | : "int")); | |
4872 | if (*ptype == DEBUG_TYPE_NULL) | |
4873 | *ptype = debug_make_int_type (minfo->dhandle, 4, unsignedp); | |
4874 | } | |
4875 | ++*pp; | |
4876 | break; | |
4877 | ||
4878 | case 's': /* short */ | |
4879 | if (ptype != NULL) | |
4880 | { | |
4881 | *ptype = debug_find_named_type (minfo->dhandle, | |
4882 | (unsignedp | |
4883 | ? "short unsigned int" | |
4884 | : "short int")); | |
4885 | if (*ptype == DEBUG_TYPE_NULL) | |
4886 | *ptype = debug_make_int_type (minfo->dhandle, 2, unsignedp); | |
4887 | } | |
4888 | ++*pp; | |
4889 | break; | |
4890 | ||
4891 | case 'b': /* bool */ | |
4892 | if (ptype != NULL) | |
4893 | { | |
4894 | *ptype = debug_find_named_type (minfo->dhandle, "bool"); | |
4895 | if (*ptype == DEBUG_TYPE_NULL) | |
4896 | *ptype = debug_make_bool_type (minfo->dhandle, 4); | |
4897 | } | |
4898 | ++*pp; | |
4899 | break; | |
4900 | ||
4901 | case 'c': /* char */ | |
4902 | if (ptype != NULL) | |
4903 | { | |
4904 | *ptype = debug_find_named_type (minfo->dhandle, | |
4905 | (unsignedp | |
4906 | ? "unsigned char" | |
4907 | : (signedp | |
4908 | ? "signed char" | |
4909 | : "char"))); | |
4910 | if (*ptype == DEBUG_TYPE_NULL) | |
4911 | *ptype = debug_make_int_type (minfo->dhandle, 1, unsignedp); | |
4912 | } | |
4913 | ++*pp; | |
4914 | break; | |
4915 | ||
4916 | case 'w': /* wchar_t */ | |
4917 | if (ptype != NULL) | |
4918 | { | |
4919 | *ptype = debug_find_named_type (minfo->dhandle, "__wchar_t"); | |
4920 | if (*ptype == DEBUG_TYPE_NULL) | |
b34976b6 | 4921 | *ptype = debug_make_int_type (minfo->dhandle, 2, TRUE); |
252b5132 RH |
4922 | } |
4923 | ++*pp; | |
4924 | break; | |
4925 | ||
4926 | case 'r': /* long double */ | |
4927 | if (ptype != NULL) | |
4928 | { | |
4929 | *ptype = debug_find_named_type (minfo->dhandle, "long double"); | |
4930 | if (*ptype == DEBUG_TYPE_NULL) | |
4931 | *ptype = debug_make_float_type (minfo->dhandle, 8); | |
4932 | } | |
4933 | ++*pp; | |
4934 | break; | |
4935 | ||
4936 | case 'd': /* double */ | |
4937 | if (ptype != NULL) | |
4938 | { | |
4939 | *ptype = debug_find_named_type (minfo->dhandle, "double"); | |
4940 | if (*ptype == DEBUG_TYPE_NULL) | |
4941 | *ptype = debug_make_float_type (minfo->dhandle, 8); | |
4942 | } | |
4943 | ++*pp; | |
4944 | break; | |
4945 | ||
4946 | case 'f': /* float */ | |
4947 | if (ptype != NULL) | |
4948 | { | |
4949 | *ptype = debug_find_named_type (minfo->dhandle, "float"); | |
4950 | if (*ptype == DEBUG_TYPE_NULL) | |
4951 | *ptype = debug_make_float_type (minfo->dhandle, 4); | |
4952 | } | |
4953 | ++*pp; | |
4954 | break; | |
4955 | ||
4956 | case 'G': | |
4957 | ++*pp; | |
3882b010 | 4958 | if (! ISDIGIT (**pp)) |
252b5132 RH |
4959 | { |
4960 | stab_bad_demangle (orig); | |
b34976b6 | 4961 | return FALSE; |
252b5132 RH |
4962 | } |
4963 | /* Fall through. */ | |
4964 | case '0': case '1': case '2': case '3': case '4': | |
4965 | case '5': case '6': case '7': case '8': case '9': | |
4966 | { | |
4967 | const char *hold; | |
4968 | ||
4969 | if (! stab_demangle_class (minfo, pp, &hold)) | |
b34976b6 | 4970 | return FALSE; |
252b5132 RH |
4971 | if (ptype != NULL) |
4972 | { | |
4973 | char *name; | |
4974 | ||
4975 | name = savestring (hold, *pp - hold); | |
4976 | *ptype = debug_find_named_type (minfo->dhandle, name); | |
4977 | free (name); | |
4978 | if (*ptype == DEBUG_TYPE_NULL) | |
4979 | { | |
4980 | /* FIXME: It is probably incorrect to assume that | |
4981 | undefined types are tagged types. */ | |
4982 | *ptype = stab_find_tagged_type (minfo->dhandle, minfo->info, | |
4983 | hold, *pp - hold, | |
4984 | DEBUG_KIND_ILLEGAL); | |
4985 | if (*ptype == DEBUG_TYPE_NULL) | |
b34976b6 | 4986 | return FALSE; |
252b5132 RH |
4987 | } |
4988 | } | |
4989 | } | |
4990 | break; | |
4991 | ||
4992 | case 't': | |
4993 | { | |
4994 | char *name; | |
4995 | ||
4996 | if (! stab_demangle_template (minfo, pp, | |
4997 | ptype != NULL ? &name : NULL)) | |
b34976b6 | 4998 | return FALSE; |
252b5132 RH |
4999 | if (ptype != NULL) |
5000 | { | |
5001 | *ptype = stab_find_tagged_type (minfo->dhandle, minfo->info, | |
5002 | name, strlen (name), | |
5003 | DEBUG_KIND_CLASS); | |
5004 | free (name); | |
5005 | if (*ptype == DEBUG_TYPE_NULL) | |
b34976b6 | 5006 | return FALSE; |
252b5132 RH |
5007 | } |
5008 | } | |
5009 | break; | |
5010 | ||
5011 | default: | |
5012 | stab_bad_demangle (orig); | |
b34976b6 | 5013 | return FALSE; |
252b5132 RH |
5014 | } |
5015 | ||
5016 | if (ptype != NULL) | |
5017 | { | |
5018 | if (constp) | |
5019 | *ptype = debug_make_const_type (minfo->dhandle, *ptype); | |
5020 | if (volatilep) | |
5021 | *ptype = debug_make_volatile_type (minfo->dhandle, *ptype); | |
5022 | } | |
5023 | ||
b34976b6 | 5024 | return TRUE; |
252b5132 RH |
5025 | } |
5026 | ||
5027 | /* Remember a type string in a demangled string. */ | |
5028 | ||
b34976b6 | 5029 | static bfd_boolean |
2da42df6 AJ |
5030 | stab_demangle_remember_type (struct stab_demangle_info *minfo, |
5031 | const char *p, int len) | |
252b5132 RH |
5032 | { |
5033 | if (minfo->typestring_count >= minfo->typestring_alloc) | |
5034 | { | |
5035 | minfo->typestring_alloc += 10; | |
5036 | minfo->typestrings = ((struct stab_demangle_typestring *) | |
5037 | xrealloc (minfo->typestrings, | |
5038 | (minfo->typestring_alloc | |
5039 | * sizeof *minfo->typestrings))); | |
5040 | } | |
5041 | ||
5042 | minfo->typestrings[minfo->typestring_count].typestring = p; | |
5043 | minfo->typestrings[minfo->typestring_count].len = (unsigned int) len; | |
5044 | ++minfo->typestring_count; | |
5045 | ||
b34976b6 | 5046 | return TRUE; |
252b5132 | 5047 | } |